Home / 141,405,685.20-195,117,037.92-79,522,333.20

Finding the Fourth Proportional to 141,405,685.20, 195,117,037.92 and 79,522,333.20

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Solution

The fourth proportional to 141,405,685.20, 195,117,037.92 and 79,522,333.20 is: 109,727,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,405,685.20 : 195,117,037.92 = 79,522,333.20 : x
  2. Step 2: Convert to fraction form
    141,405,685.20/195,117,037.92 = 79,522,333.20/x
  3. Step 3: Cross multiply
    141,405,685.20x = 195,117,037.92 × 79,522,333.20
  4. Step 4: Simplify right side
    141,405,685.20x = 15,516,162,102,471,274
  5. Step 5: Solve for x
    x = 15,516,162,102,471,274/141,405,685.20
  6. Step 6: Final answer
    x = 109,727,993.47

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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.