Home / 125,071,229.60-187,597,801.20-38,807,434.40

Finding the Fourth Proportional to 125,071,229.60, 187,597,801.20 and 38,807,434.40

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Solution

The fourth proportional to 125,071,229.60, 187,597,801.20 and 38,807,434.40 is: 58,208,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,071,229.60 : 187,597,801.20 = 38,807,434.40 : x
  2. Step 2: Convert to fraction form
    125,071,229.60/187,597,801.20 = 38,807,434.40/x
  3. Step 3: Cross multiply
    125,071,229.60x = 187,597,801.20 × 38,807,434.40
  4. Step 4: Simplify right side
    125,071,229.60x = 7,280,189,363,653,241
  5. Step 5: Solve for x
    x = 7,280,189,363,653,241/125,071,229.60
  6. Step 6: Final answer
    x = 58,208,345.65

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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.