Home / 120,948,510.29-166,921,751.16-73,933,104.43

Finding the Fourth Proportional to 120,948,510.29, 166,921,751.16 and 73,933,104.43

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Solution

The fourth proportional to 120,948,510.29, 166,921,751.16 and 73,933,104.43 is: 102,035,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948,510.29 : 166,921,751.16 = 73,933,104.43 : x
  2. Step 2: Convert to fraction form
    120,948,510.29/166,921,751.16 = 73,933,104.43/x
  3. Step 3: Cross multiply
    120,948,510.29x = 166,921,751.16 × 73,933,104.43
  4. Step 4: Simplify right side
    120,948,510.29x = 12,341,043,259,420,470
  5. Step 5: Solve for x
    x = 12,341,043,259,420,470/120,948,510.29
  6. Step 6: Final answer
    x = 102,035,512.72

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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.