Home / 129,276,695.70-193,915,043.55-100,366,305.30

Finding the Fourth Proportional to 129,276,695.70, 193,915,043.55 and 100,366,305.30

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Solution

The fourth proportional to 129,276,695.70, 193,915,043.55 and 100,366,305.30 is: 150,549,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276,695.70 : 193,915,043.55 = 100,366,305.30 : x
  2. Step 2: Convert to fraction form
    129,276,695.70/193,915,043.55 = 100,366,305.30/x
  3. Step 3: Cross multiply
    129,276,695.70x = 193,915,043.55 × 100,366,305.30
  4. Step 4: Simplify right side
    129,276,695.70x = 19,462,536,463,202,096
  5. Step 5: Solve for x
    x = 19,462,536,463,202,096/129,276,695.70
  6. Step 6: Final answer
    x = 150,549,457.95

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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.