Home / 143,900,867.25-198,403,229.57-120,092,770.53

Finding the Fourth Proportional to 143,900,867.25, 198,403,229.57 and 120,092,770.53

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Solution

The fourth proportional to 143,900,867.25, 198,403,229.57 and 120,092,770.53 is: 165,577,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,900,867.25 : 198,403,229.57 = 120,092,770.53 : x
  2. Step 2: Convert to fraction form
    143,900,867.25/198,403,229.57 = 120,092,770.53/x
  3. Step 3: Cross multiply
    143,900,867.25x = 198,403,229.57 × 120,092,770.53
  4. Step 4: Simplify right side
    143,900,867.25x = 23,826,793,521,160,920
  5. Step 5: Solve for x
    x = 23,826,793,521,160,920/143,900,867.25
  6. Step 6: Final answer
    x = 165,577,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.