Home / 125,435,200.13-173,105,494.02-85,825,810.20

Finding the Fourth Proportional to 125,435,200.13, 173,105,494.02 and 85,825,810.20

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Solution

The fourth proportional to 125,435,200.13, 173,105,494.02 and 85,825,810.20 is: 118,442,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435,200.13 : 173,105,494.02 = 85,825,810.20 : x
  2. Step 2: Convert to fraction form
    125,435,200.13/173,105,494.02 = 85,825,810.20/x
  3. Step 3: Cross multiply
    125,435,200.13x = 173,105,494.02 × 85,825,810.20
  4. Step 4: Simplify right side
    125,435,200.13x = 14,856,919,274,337,756
  5. Step 5: Solve for x
    x = 14,856,919,274,337,756/125,435,200.13
  6. Step 6: Final answer
    x = 118,442,982.99

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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.