Home / 52,479,313.52-72,423,251.16-30,451,149.68

Finding the Fourth Proportional to 52,479,313.52, 72,423,251.16 and 30,451,149.68

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Solution

The fourth proportional to 52,479,313.52, 72,423,251.16 and 30,451,149.68 is: 42,023,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479,313.52 : 72,423,251.16 = 30,451,149.68 : x
  2. Step 2: Convert to fraction form
    52,479,313.52/72,423,251.16 = 30,451,149.68/x
  3. Step 3: Cross multiply
    52,479,313.52x = 72,423,251.16 × 30,451,149.68
  4. Step 4: Simplify right side
    52,479,313.52x = 2,205,371,261,385,393.50
  5. Step 5: Solve for x
    x = 2,205,371,261,385,393.50/52,479,313.52
  6. Step 6: Final answer
    x = 42,023,630.14

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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.