Home / 114,916,943.60-172,375,415.40-71,834,793.20

Finding the Fourth Proportional to 114,916,943.60, 172,375,415.40 and 71,834,793.20

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Solution

The fourth proportional to 114,916,943.60, 172,375,415.40 and 71,834,793.20 is: 107,752,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,916,943.60 : 172,375,415.40 = 71,834,793.20 : x
  2. Step 2: Convert to fraction form
    114,916,943.60/172,375,415.40 = 71,834,793.20/x
  3. Step 3: Cross multiply
    114,916,943.60x = 172,375,415.40 × 71,834,793.20
  4. Step 4: Simplify right side
    114,916,943.60x = 12,382,552,318,023,096
  5. Step 5: Solve for x
    x = 12,382,552,318,023,096/114,916,943.60
  6. Step 6: Final answer
    x = 107,752,189.80

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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.