Home / 129,032,176.80-193,548,265.20-115,893,847.20

Finding the Fourth Proportional to 129,032,176.80, 193,548,265.20 and 115,893,847.20

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Solution

The fourth proportional to 129,032,176.80, 193,548,265.20 and 115,893,847.20 is: 173,840,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,176.80 : 193,548,265.20 = 115,893,847.20 : x
  2. Step 2: Convert to fraction form
    129,032,176.80/193,548,265.20 = 115,893,847.20/x
  3. Step 3: Cross multiply
    129,032,176.80x = 193,548,265.20 × 115,893,847.20
  4. Step 4: Simplify right side
    129,032,176.80x = 22,431,053,072,913,876
  5. Step 5: Solve for x
    x = 22,431,053,072,913,876/129,032,176.80
  6. Step 6: Final answer
    x = 173,840,770.80

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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.