Home / 90,699,696,065.35-136,049,544,098.03-81,557,210,254.15

Finding the Fourth Proportional to 90,699,696,065.35, 136,049,544,098.03 and 81,557,210,254.15

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Solution

The fourth proportional to 90,699,696,065.35, 136,049,544,098.03 and 81,557,210,254.15 is: 122,335,815,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,696,065.35 : 136,049,544,098.03 = 81,557,210,254.15 : x
  2. Step 2: Convert to fraction form
    90,699,696,065.35/136,049,544,098.03 = 81,557,210,254.15/x
  3. Step 3: Cross multiply
    90,699,696,065.35x = 136,049,544,098.03 × 81,557,210,254.15
  4. Step 4: Simplify right side
    90,699,696,065.35x = 11,095,821,272,984,284,299,264
  5. Step 5: Solve for x
    x = 11,095,821,272,984,284,299,264/90,699,696,065.35
  6. Step 6: Final answer
    x = 122,335,815,381.23

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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.