Home / 221,193,155.60-331,789,733.40-67,862,877.20

Finding the Fourth Proportional to 221,193,155.60, 331,789,733.40 and 67,862,877.20

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Solution

The fourth proportional to 221,193,155.60, 331,789,733.40 and 67,862,877.20 is: 101,794,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,193,155.60 : 331,789,733.40 = 67,862,877.20 : x
  2. Step 2: Convert to fraction form
    221,193,155.60/331,789,733.40 = 67,862,877.20/x
  3. Step 3: Cross multiply
    221,193,155.60x = 331,789,733.40 × 67,862,877.20
  4. Step 4: Simplify right side
    221,193,155.60x = 22,516,205,933,944,936
  5. Step 5: Solve for x
    x = 22,516,205,933,944,936/221,193,155.60
  6. Step 6: Final answer
    x = 101,794,315.80

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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.