Home / 131,766,115.65-197,454,956.04-73,393,438.11

Finding the Fourth Proportional to 131,766,115.65, 197,454,956.04 and 73,393,438.11

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Solution

The fourth proportional to 131,766,115.65, 197,454,956.04 and 73,393,438.11 is: 109,981,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766,115.65 : 197,454,956.04 = 73,393,438.11 : x
  2. Step 2: Convert to fraction form
    131,766,115.65/197,454,956.04 = 73,393,438.11/x
  3. Step 3: Cross multiply
    131,766,115.65x = 197,454,956.04 × 73,393,438.11
  4. Step 4: Simplify right side
    131,766,115.65x = 14,491,898,095,634,510
  5. Step 5: Solve for x
    x = 14,491,898,095,634,510/131,766,115.65
  6. Step 6: Final answer
    x = 109,981,978.48

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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.