Home / 124,827,728.57-172,275,231.71-71,906,265.17

Finding the Fourth Proportional to 124,827,728.57, 172,275,231.71 and 71,906,265.17

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Solution

The fourth proportional to 124,827,728.57, 172,275,231.71 and 71,906,265.17 is: 99,238,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827,728.57 : 172,275,231.71 = 71,906,265.17 : x
  2. Step 2: Convert to fraction form
    124,827,728.57/172,275,231.71 = 71,906,265.17/x
  3. Step 3: Cross multiply
    124,827,728.57x = 172,275,231.71 × 71,906,265.17
  4. Step 4: Simplify right side
    124,827,728.57x = 12,387,668,493,562,454
  5. Step 5: Solve for x
    x = 12,387,668,493,562,454/124,827,728.57
  6. Step 6: Final answer
    x = 99,238,115.08

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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.