Home / 125,687,713.05-173,446,320.67-72,766,650.60

Finding the Fourth Proportional to 125,687,713.05, 173,446,320.67 and 72,766,650.60

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Solution

The fourth proportional to 125,687,713.05, 173,446,320.67 and 72,766,650.60 is: 100,416,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687,713.05 : 173,446,320.67 = 72,766,650.60 : x
  2. Step 2: Convert to fraction form
    125,687,713.05/173,446,320.67 = 72,766,650.60/x
  3. Step 3: Cross multiply
    125,687,713.05x = 173,446,320.67 × 72,766,650.60
  4. Step 4: Simplify right side
    125,687,713.05x = 12,621,107,813,867,530
  5. Step 5: Solve for x
    x = 12,621,107,813,867,530/125,687,713.05
  6. Step 6: Final answer
    x = 100,416,401.15

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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.