Home / 252,653,265.57-379,016,049.92-77,791,094.79

Finding the Fourth Proportional to 252,653,265.57, 379,016,049.92 and 77,791,094.79

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Solution

The fourth proportional to 252,653,265.57, 379,016,049.92 and 77,791,094.79 is: 116,697,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653,265.57 : 379,016,049.92 = 77,791,094.79 : x
  2. Step 2: Convert to fraction form
    252,653,265.57/379,016,049.92 = 77,791,094.79/x
  3. Step 3: Cross multiply
    252,653,265.57x = 379,016,049.92 × 77,791,094.79
  4. Step 4: Simplify right side
    252,653,265.57x = 29,484,073,465,869,140
  5. Step 5: Solve for x
    x = 29,484,073,465,869,140/252,653,265.57
  6. Step 6: Final answer
    x = 116,697,773.13

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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.