Home / 129,534,754.60-194,177,715.90-74,891,247.40

Finding the Fourth Proportional to 129,534,754.60, 194,177,715.90 and 74,891,247.40

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Solution

The fourth proportional to 129,534,754.60, 194,177,715.90 and 74,891,247.40 is: 112,264,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,534,754.60 : 194,177,715.90 = 74,891,247.40 : x
  2. Step 2: Convert to fraction form
    129,534,754.60/194,177,715.90 = 74,891,247.40/x
  3. Step 3: Cross multiply
    129,534,754.60x = 194,177,715.90 × 74,891,247.40
  4. Step 4: Simplify right side
    129,534,754.60x = 14,542,211,361,033,816
  5. Step 5: Solve for x
    x = 14,542,211,361,033,816/129,534,754.60
  6. Step 6: Final answer
    x = 112,264,939.29

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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.