Home / 87,487,581.70-131,231,372.55-73,457,539.30

Finding the Fourth Proportional to 87,487,581.70, 131,231,372.55 and 73,457,539.30

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Solution

The fourth proportional to 87,487,581.70, 131,231,372.55 and 73,457,539.30 is: 110,186,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,487,581.70 : 131,231,372.55 = 73,457,539.30 : x
  2. Step 2: Convert to fraction form
    87,487,581.70/131,231,372.55 = 73,457,539.30/x
  3. Step 3: Cross multiply
    87,487,581.70x = 131,231,372.55 × 73,457,539.30
  4. Step 4: Simplify right side
    87,487,581.70x = 9,639,933,706,484,566
  5. Step 5: Solve for x
    x = 9,639,933,706,484,566/87,487,581.70
  6. Step 6: Final answer
    x = 110,186,308.95

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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.