Home / 129,037,229.80-193,555,844.70-88,162,426.60

Finding the Fourth Proportional to 129,037,229.80, 193,555,844.70 and 88,162,426.60

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Solution

The fourth proportional to 129,037,229.80, 193,555,844.70 and 88,162,426.60 is: 132,243,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,229.80 : 193,555,844.70 = 88,162,426.60 : x
  2. Step 2: Convert to fraction form
    129,037,229.80/193,555,844.70 = 88,162,426.60/x
  3. Step 3: Cross multiply
    129,037,229.80x = 193,555,844.70 × 88,162,426.60
  4. Step 4: Simplify right side
    129,037,229.80x = 17,064,352,951,364,746
  5. Step 5: Solve for x
    x = 17,064,352,951,364,746/129,037,229.80
  6. Step 6: Final answer
    x = 132,243,639.90

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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.