Home / 125,435,201.13-173,105,495.40-85,825,811.20

Finding the Fourth Proportional to 125,435,201.13, 173,105,495.40 and 85,825,811.20

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Solution

The fourth proportional to 125,435,201.13, 173,105,495.40 and 85,825,811.20 is: 118,442,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435,201.13 : 173,105,495.40 = 85,825,811.20 : x
  2. Step 2: Convert to fraction form
    125,435,201.13/173,105,495.40 = 85,825,811.20/x
  3. Step 3: Cross multiply
    125,435,201.13x = 173,105,495.40 × 85,825,811.20
  4. Step 4: Simplify right side
    125,435,201.13x = 14,856,919,565,882,870
  5. Step 5: Solve for x
    x = 14,856,919,565,882,870/125,435,201.13
  6. Step 6: Final answer
    x = 118,442,984.36

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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.