Home / 87,938,998.20-131,908,497.30-65,264,182.20

Finding the Fourth Proportional to 87,938,998.20, 131,908,497.30 and 65,264,182.20

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Solution

The fourth proportional to 87,938,998.20, 131,908,497.30 and 65,264,182.20 is: 97,896,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,938,998.20 : 131,908,497.30 = 65,264,182.20 : x
  2. Step 2: Convert to fraction form
    87,938,998.20/131,908,497.30 = 65,264,182.20/x
  3. Step 3: Cross multiply
    87,938,998.20x = 131,908,497.30 × 65,264,182.20
  4. Step 4: Simplify right side
    87,938,998.20x = 8,608,900,201,515,408
  5. Step 5: Solve for x
    x = 8,608,900,201,515,408/87,938,998.20
  6. Step 6: Final answer
    x = 97,896,273.30

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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.