Home / 131,766,116.66-197,454,957.54-73,393,439.12

Finding the Fourth Proportional to 131,766,116.66, 197,454,957.54 and 73,393,439.12

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Solution

The fourth proportional to 131,766,116.66, 197,454,957.54 and 73,393,439.12 is: 109,981,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766,116.66 : 197,454,957.54 = 73,393,439.12 : x
  2. Step 2: Convert to fraction form
    131,766,116.66/197,454,957.54 = 73,393,439.12/x
  3. Step 3: Cross multiply
    131,766,116.66x = 197,454,957.54 × 73,393,439.12
  4. Step 4: Simplify right side
    131,766,116.66x = 14,491,898,405,154,176
  5. Step 5: Solve for x
    x = 14,491,898,405,154,176/131,766,116.66
  6. Step 6: Final answer
    x = 109,981,979.98

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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.