Home / 72,043,244.57-108,067,857.28-20,925,263.39

Finding the Fourth Proportional to 72,043,244.57, 108,067,857.28 and 20,925,263.39

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Solution

The fourth proportional to 72,043,244.57, 108,067,857.28 and 20,925,263.39 is: 31,388,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,043,244.57 : 108,067,857.28 = 20,925,263.39 : x
  2. Step 2: Convert to fraction form
    72,043,244.57/108,067,857.28 = 20,925,263.39/x
  3. Step 3: Cross multiply
    72,043,244.57x = 108,067,857.28 × 20,925,263.39
  4. Step 4: Simplify right side
    72,043,244.57x = 2,261,348,376,984,277
  5. Step 5: Solve for x
    x = 2,261,348,376,984,277/72,043,244.57
  6. Step 6: Final answer
    x = 31,388,763.66

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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.