Home / 88,082,920.80-132,061,395.60-39,521,023.20

Finding the Fourth Proportional to 88,082,920.80, 132,061,395.60 and 39,521,023.20

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Solution

The fourth proportional to 88,082,920.80, 132,061,395.60 and 39,521,023.20 is: 59,253,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,082,920.80 : 132,061,395.60 = 39,521,023.20 : x
  2. Step 2: Convert to fraction form
    88,082,920.80/132,061,395.60 = 39,521,023.20/x
  3. Step 3: Cross multiply
    88,082,920.80x = 132,061,395.60 × 39,521,023.20
  4. Step 4: Simplify right side
    88,082,920.80x = 5,219,201,479,331,978
  5. Step 5: Solve for x
    x = 5,219,201,479,331,978/88,082,920.80
  6. Step 6: Final answer
    x = 59,253,274.44

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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.