Home / 259,248,972.80-389,022,758.40-97,806,771.20

Finding the Fourth Proportional to 259,248,972.80, 389,022,758.40 and 97,806,771.20

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Solution

The fourth proportional to 259,248,972.80, 389,022,758.40 and 97,806,771.20 is: 146,766,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,248,972.80 : 389,022,758.40 = 97,806,771.20 : x
  2. Step 2: Convert to fraction form
    259,248,972.80/389,022,758.40 = 97,806,771.20/x
  3. Step 3: Cross multiply
    259,248,972.80x = 389,022,758.40 × 97,806,771.20
  4. Step 4: Simplify right side
    259,248,972.80x = 38,049,059,922,421,680
  5. Step 5: Solve for x
    x = 38,049,059,922,421,680/259,248,972.80
  6. Step 6: Final answer
    x = 146,766,482.86

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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.