Home / 131,425,658.40-197,138,487.60-54,723,194.40

Finding the Fourth Proportional to 131,425,658.40, 197,138,487.60 and 54,723,194.40

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Solution

The fourth proportional to 131,425,658.40, 197,138,487.60 and 54,723,194.40 is: 82,084,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,658.40 : 197,138,487.60 = 54,723,194.40 : x
  2. Step 2: Convert to fraction form
    131,425,658.40/197,138,487.60 = 54,723,194.40/x
  3. Step 3: Cross multiply
    131,425,658.40x = 197,138,487.60 × 54,723,194.40
  4. Step 4: Simplify right side
    131,425,658.40x = 10,788,047,780,656,788
  5. Step 5: Solve for x
    x = 10,788,047,780,656,788/131,425,658.40
  6. Step 6: Final answer
    x = 82,084,791.60

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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.