Home / 82,874,986.52-124,323,824.64-28,272,911.90

Finding the Fourth Proportional to 82,874,986.52, 124,323,824.64 and 28,272,911.90

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Solution

The fourth proportional to 82,874,986.52, 124,323,824.64 and 28,272,911.90 is: 42,413,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,874,986.52 : 124,323,824.64 = 28,272,911.90 : x
  2. Step 2: Convert to fraction form
    82,874,986.52/124,323,824.64 = 28,272,911.90/x
  3. Step 3: Cross multiply
    82,874,986.52x = 124,323,824.64 × 28,272,911.90
  4. Step 4: Simplify right side
    82,874,986.52x = 3,514,996,541,117,769
  5. Step 5: Solve for x
    x = 3,514,996,541,117,769/82,874,986.52
  6. Step 6: Final answer
    x = 42,413,238.16

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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.