Home / 123,541,337.70-170,416,213.47-77,050,879.02

Finding the Fourth Proportional to 123,541,337.70, 170,416,213.47 and 77,050,879.02

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Solution

The fourth proportional to 123,541,337.70, 170,416,213.47 and 77,050,879.02 is: 106,286,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,541,337.70 : 170,416,213.47 = 77,050,879.02 : x
  2. Step 2: Convert to fraction form
    123,541,337.70/170,416,213.47 = 77,050,879.02/x
  3. Step 3: Cross multiply
    123,541,337.70x = 170,416,213.47 × 77,050,879.02
  4. Step 4: Simplify right side
    123,541,337.70x = 13,130,719,047,123,464
  5. Step 5: Solve for x
    x = 13,130,719,047,123,464/123,541,337.70
  6. Step 6: Final answer
    x = 106,286,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.