Home / 87,399,246.60-131,098,869.90-55,087,633.80

Finding the Fourth Proportional to 87,399,246.60, 131,098,869.90 and 55,087,633.80

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Solution

The fourth proportional to 87,399,246.60, 131,098,869.90 and 55,087,633.80 is: 82,631,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,246.60 : 131,098,869.90 = 55,087,633.80 : x
  2. Step 2: Convert to fraction form
    87,399,246.60/131,098,869.90 = 55,087,633.80/x
  3. Step 3: Cross multiply
    87,399,246.60x = 131,098,869.90 × 55,087,633.80
  4. Step 4: Simplify right side
    87,399,246.60x = 7,221,926,536,645,043
  5. Step 5: Solve for x
    x = 7,221,926,536,645,043/87,399,246.60
  6. Step 6: Final answer
    x = 82,631,450.70

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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.