Home / 87,305,472.90-130,905,459.99-34,791,221.88

Finding the Fourth Proportional to 87,305,472.90, 130,905,459.99 and 34,791,221.88

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Solution

The fourth proportional to 87,305,472.90, 130,905,459.99 and 34,791,221.88 is: 52,165,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305,472.90 : 130,905,459.99 = 34,791,221.88 : x
  2. Step 2: Convert to fraction form
    87,305,472.90/130,905,459.99 = 34,791,221.88/x
  3. Step 3: Cross multiply
    87,305,472.90x = 130,905,459.99 × 34,791,221.88
  4. Step 4: Simplify right side
    87,305,472.90x = 4,554,360,903,815,553
  5. Step 5: Solve for x
    x = 4,554,360,903,815,553/87,305,472.90
  6. Step 6: Final answer
    x = 52,165,812.21

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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.