Home / 546,923,691.60-820,386,872.40-137,979,846.96

Finding the Fourth Proportional to 546,923,691.60, 820,386,872.40 and 137,979,846.96

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Solution

The fourth proportional to 546,923,691.60, 820,386,872.40 and 137,979,846.96 is: 206,970,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,923,691.60 : 820,386,872.40 = 137,979,846.96 : x
  2. Step 2: Convert to fraction form
    546,923,691.60/820,386,872.40 = 137,979,846.96/x
  3. Step 3: Cross multiply
    546,923,691.60x = 820,386,872.40 × 137,979,846.96
  4. Step 4: Simplify right side
    546,923,691.60x = 113,196,855,101,745,056
  5. Step 5: Solve for x
    x = 113,196,855,101,745,056/546,923,691.60
  6. Step 6: Final answer
    x = 206,970,107.24

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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.