Home / 82,721,402.55-124,082,103.83-52,110,400.95

Finding the Fourth Proportional to 82,721,402.55, 124,082,103.83 and 52,110,400.95

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Solution

The fourth proportional to 82,721,402.55, 124,082,103.83 and 52,110,400.95 is: 78,165,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,402.55 : 124,082,103.83 = 52,110,400.95 : x
  2. Step 2: Convert to fraction form
    82,721,402.55/124,082,103.83 = 52,110,400.95/x
  3. Step 3: Cross multiply
    82,721,402.55x = 124,082,103.83 × 52,110,400.95
  4. Step 4: Simplify right side
    82,721,402.55x = 6,465,968,181,040,279
  5. Step 5: Solve for x
    x = 6,465,968,181,040,279/82,721,402.55
  6. Step 6: Final answer
    x = 78,165,601.43

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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.