Home / 87,939,753.57-131,775,114.06-47,005,018.47

Finding the Fourth Proportional to 87,939,753.57, 131,775,114.06 and 47,005,018.47

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Solution

The fourth proportional to 87,939,753.57, 131,775,114.06 and 47,005,018.47 is: 70,435,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,753.57 : 131,775,114.06 = 47,005,018.47 : x
  2. Step 2: Convert to fraction form
    87,939,753.57/131,775,114.06 = 47,005,018.47/x
  3. Step 3: Cross multiply
    87,939,753.57x = 131,775,114.06 × 47,005,018.47
  4. Step 4: Simplify right side
    87,939,753.57x = 6,194,091,670,276,657
  5. Step 5: Solve for x
    x = 6,194,091,670,276,657/87,939,753.57
  6. Step 6: Final answer
    x = 70,435,626.88

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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.