Home / 72,172,311.12-108,253,026.72-22,986,180.54

Finding the Fourth Proportional to 72,172,311.12, 108,253,026.72 and 22,986,180.54

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Solution

The fourth proportional to 72,172,311.12, 108,253,026.72 and 22,986,180.54 is: 34,477,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,172,311.12 : 108,253,026.72 = 22,986,180.54 : x
  2. Step 2: Convert to fraction form
    72,172,311.12/108,253,026.72 = 22,986,180.54/x
  3. Step 3: Cross multiply
    72,172,311.12x = 108,253,026.72 × 22,986,180.54
  4. Step 4: Simplify right side
    72,172,311.12x = 2,488,323,616,187,364
  5. Step 5: Solve for x
    x = 2,488,323,616,187,364/72,172,311.12
  6. Step 6: Final answer
    x = 34,477,538.24

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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.