Home / 90,344,105.28-124,675,654.14-49,090,996.44

Finding the Fourth Proportional to 90,344,105.28, 124,675,654.14 and 49,090,996.44

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Solution

The fourth proportional to 90,344,105.28, 124,675,654.14 and 49,090,996.44 is: 67,746,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344,105.28 : 124,675,654.14 = 49,090,996.44 : x
  2. Step 2: Convert to fraction form
    90,344,105.28/124,675,654.14 = 49,090,996.44/x
  3. Step 3: Cross multiply
    90,344,105.28x = 124,675,654.14 × 49,090,996.44
  4. Step 4: Simplify right side
    90,344,105.28x = 6,120,452,093,541,411
  5. Step 5: Solve for x
    x = 6,120,452,093,541,411/90,344,105.28
  6. Step 6: Final answer
    x = 67,746,003.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.