Home / 87,926,961.20-131,829,001.80-52,006,679.60

Finding the Fourth Proportional to 87,926,961.20, 131,829,001.80 and 52,006,679.60

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Solution

The fourth proportional to 87,926,961.20, 131,829,001.80 and 52,006,679.60 is: 77,973,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926,961.20 : 131,829,001.80 = 52,006,679.60 : x
  2. Step 2: Convert to fraction form
    87,926,961.20/131,829,001.80 = 52,006,679.60/x
  3. Step 3: Cross multiply
    87,926,961.20x = 131,829,001.80 × 52,006,679.60
  4. Step 4: Simplify right side
    87,926,961.20x = 6,855,988,658,600,423
  5. Step 5: Solve for x
    x = 6,855,988,658,600,423/87,926,961.20
  6. Step 6: Final answer
    x = 77,973,679.12

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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.