Home / 71,386,380.93-98,514,661.38-38,793,432.45

Finding the Fourth Proportional to 71,386,380.93, 98,514,661.38 and 38,793,432.45

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Solution

The fourth proportional to 71,386,380.93, 98,514,661.38 and 38,793,432.45 is: 53,535,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386,380.93 : 98,514,661.38 = 38,793,432.45 : x
  2. Step 2: Convert to fraction form
    71,386,380.93/98,514,661.38 = 38,793,432.45/x
  3. Step 3: Cross multiply
    71,386,380.93x = 98,514,661.38 × 38,793,432.45
  4. Step 4: Simplify right side
    71,386,380.93x = 3,821,721,861,579,654
  5. Step 5: Solve for x
    x = 3,821,721,861,579,654/71,386,380.93
  6. Step 6: Final answer
    x = 53,535,727.85

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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.