Home / 259,248,974.80-389,022,761.40-97,806,773.20

Finding the Fourth Proportional to 259,248,974.80, 389,022,761.40 and 97,806,773.20

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Solution

The fourth proportional to 259,248,974.80, 389,022,761.40 and 97,806,773.20 is: 146,766,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,248,974.80 : 389,022,761.40 = 97,806,773.20 : x
  2. Step 2: Convert to fraction form
    259,248,974.80/389,022,761.40 = 97,806,773.20/x
  3. Step 3: Cross multiply
    259,248,974.80x = 389,022,761.40 × 97,806,773.20
  4. Step 4: Simplify right side
    259,248,974.80x = 38,049,060,993,887,512
  5. Step 5: Solve for x
    x = 38,049,060,993,887,512/259,248,974.80
  6. Step 6: Final answer
    x = 146,766,485.86

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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.