Home / 72,791,384.88-109,241,306.52-53,410,691.76

Finding the Fourth Proportional to 72,791,384.88, 109,241,306.52 and 53,410,691.76

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Solution

The fourth proportional to 72,791,384.88, 109,241,306.52 and 53,410,691.76 is: 80,155,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,791,384.88 : 109,241,306.52 = 53,410,691.76 : x
  2. Step 2: Convert to fraction form
    72,791,384.88/109,241,306.52 = 53,410,691.76/x
  3. Step 3: Cross multiply
    72,791,384.88x = 109,241,306.52 × 53,410,691.76
  4. Step 4: Simplify right side
    72,791,384.88x = 5,834,653,749,999,398
  5. Step 5: Solve for x
    x = 5,834,653,749,999,398/72,791,384.88
  6. Step 6: Final answer
    x = 80,155,828.33

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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.