Home / 87,004,998.59-120,070,054.86-49,842,461.22

Finding the Fourth Proportional to 87,004,998.59, 120,070,054.86 and 49,842,461.22

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Solution

The fourth proportional to 87,004,998.59, 120,070,054.86 and 49,842,461.22 is: 68,784,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,998.59 : 120,070,054.86 = 49,842,461.22 : x
  2. Step 2: Convert to fraction form
    87,004,998.59/120,070,054.86 = 49,842,461.22/x
  3. Step 3: Cross multiply
    87,004,998.59x = 120,070,054.86 × 49,842,461.22
  4. Step 4: Simplify right side
    87,004,998.59x = 5,984,587,053,042,822
  5. Step 5: Solve for x
    x = 5,984,587,053,042,822/87,004,998.59
  6. Step 6: Final answer
    x = 68,784,404.92

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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.