Home / 85,524,039.64-118,120,605.34-57,974,138.20

Finding the Fourth Proportional to 85,524,039.64, 118,120,605.34 and 57,974,138.20

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Solution

The fourth proportional to 85,524,039.64, 118,120,605.34 and 57,974,138.20 is: 80,070,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,524,039.64 : 118,120,605.34 = 57,974,138.20 : x
  2. Step 2: Convert to fraction form
    85,524,039.64/118,120,605.34 = 57,974,138.20/x
  3. Step 3: Cross multiply
    85,524,039.64x = 118,120,605.34 × 57,974,138.20
  4. Step 4: Simplify right side
    85,524,039.64x = 6,847,940,298,441,689
  5. Step 5: Solve for x
    x = 6,847,940,298,441,689/85,524,039.64
  6. Step 6: Final answer
    x = 80,070,355.97

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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.