Home / 259,162,885.20-388,744,327.80-242,156,773.20

Finding the Fourth Proportional to 259,162,885.20, 388,744,327.80 and 242,156,773.20

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Solution

The fourth proportional to 259,162,885.20, 388,744,327.80 and 242,156,773.20 is: 363,235,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,162,885.20 : 388,744,327.80 = 242,156,773.20 : x
  2. Step 2: Convert to fraction form
    259,162,885.20/388,744,327.80 = 242,156,773.20/x
  3. Step 3: Cross multiply
    259,162,885.20x = 388,744,327.80 × 242,156,773.20
  4. Step 4: Simplify right side
    259,162,885.20x = 94,137,072,019,851,056
  5. Step 5: Solve for x
    x = 94,137,072,019,851,056/259,162,885.20
  6. Step 6: Final answer
    x = 363,235,159.80

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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.