Home / 121,107,892.40-181,689,657.28-34,847,013.68

Finding the Fourth Proportional to 121,107,892.40, 181,689,657.28 and 34,847,013.68

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Solution

The fourth proportional to 121,107,892.40, 181,689,657.28 and 34,847,013.68 is: 52,278,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,107,892.40 : 181,689,657.28 = 34,847,013.68 : x
  2. Step 2: Convert to fraction form
    121,107,892.40/181,689,657.28 = 34,847,013.68/x
  3. Step 3: Cross multiply
    121,107,892.40x = 181,689,657.28 × 34,847,013.68
  4. Step 4: Simplify right side
    121,107,892.40x = 6,331,341,972,750,672
  5. Step 5: Solve for x
    x = 6,331,341,972,750,672/121,107,892.40
  6. Step 6: Final answer
    x = 52,278,524.94

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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.