Home / 252,653,239.28-379,016,010.52-77,791,068.54

Finding the Fourth Proportional to 252,653,239.28, 379,016,010.52 and 77,791,068.54

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Solution

The fourth proportional to 252,653,239.28, 379,016,010.52 and 77,791,068.54 is: 116,697,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653,239.28 : 379,016,010.52 = 77,791,068.54 : x
  2. Step 2: Convert to fraction form
    252,653,239.28/379,016,010.52 = 77,791,068.54/x
  3. Step 3: Cross multiply
    252,653,239.28x = 379,016,010.52 × 77,791,068.54
  4. Step 4: Simplify right side
    252,653,239.28x = 29,484,060,451,924,204
  5. Step 5: Solve for x
    x = 29,484,060,451,924,204/252,653,239.28
  6. Step 6: Final answer
    x = 116,697,733.76

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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.