Home / 109,189,609,602.80-163,784,414,404.20-96,999,628,521.20

Finding the Fourth Proportional to 109,189,609,602.80, 163,784,414,404.20 and 96,999,628,521.20

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Solution

The fourth proportional to 109,189,609,602.80, 163,784,414,404.20 and 96,999,628,521.20 is: 145,499,442,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,189,609,602.80 : 163,784,414,404.20 = 96,999,628,521.20 : x
  2. Step 2: Convert to fraction form
    109,189,609,602.80/163,784,414,404.20 = 96,999,628,521.20/x
  3. Step 3: Cross multiply
    109,189,609,602.80x = 163,784,414,404.20 × 96,999,628,521.20
  4. Step 4: Simplify right side
    109,189,609,602.80x = 15,887,027,354,769,679,187,968
  5. Step 5: Solve for x
    x = 15,887,027,354,769,679,187,968/109,189,609,602.80
  6. Step 6: Final answer
    x = 145,499,442,781.80

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Double scale
Find fourth proportional to 109,189,609,603.80, 163,784,414,405.70 and 96,999,628,522.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.