Home / 82,874,984.52-124,323,821.64-28,272,909.90

Finding the Fourth Proportional to 82,874,984.52, 124,323,821.64 and 28,272,909.90

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Solution

The fourth proportional to 82,874,984.52, 124,323,821.64 and 28,272,909.90 is: 42,413,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874,984.52 : 124,323,821.64 = 28,272,909.90 : x
  2. Step 2: Convert to fraction form
    82,874,984.52/124,323,821.64 = 28,272,909.90/x
  3. Step 3: Cross multiply
    82,874,984.52x = 124,323,821.64 × 28,272,909.90
  4. Step 4: Simplify right side
    82,874,984.52x = 3,514,996,207,651,390
  5. Step 5: Solve for x
    x = 3,514,996,207,651,390/82,874,984.52
  6. Step 6: Final answer
    x = 42,413,235.16

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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.