Home / 81,650,720.10-122,476,080.15-33,151,808.10

Finding the Fourth Proportional to 81,650,720.10, 122,476,080.15 and 33,151,808.10

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Solution

The fourth proportional to 81,650,720.10, 122,476,080.15 and 33,151,808.10 is: 49,727,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,720.10 : 122,476,080.15 = 33,151,808.10 : x
  2. Step 2: Convert to fraction form
    81,650,720.10/122,476,080.15 = 33,151,808.10/x
  3. Step 3: Cross multiply
    81,650,720.10x = 122,476,080.15 × 33,151,808.10
  4. Step 4: Simplify right side
    81,650,720.10x = 4,060,303,505,973,019.50
  5. Step 5: Solve for x
    x = 4,060,303,505,973,019.50/81,650,720.10
  6. Step 6: Final answer
    x = 49,727,712.15

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Double scale
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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.