Home / 385,890,087.96-532,468,374.84-229,253,169.24

Finding the Fourth Proportional to 385,890,087.96, 532,468,374.84 and 229,253,169.24

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Solution

The fourth proportional to 385,890,087.96, 532,468,374.84 and 229,253,169.24 is: 316,333,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,890,087.96 : 532,468,374.84 = 229,253,169.24 : x
  2. Step 2: Convert to fraction form
    385,890,087.96/532,468,374.84 = 229,253,169.24/x
  3. Step 3: Cross multiply
    385,890,087.96x = 532,468,374.84 × 229,253,169.24
  4. Step 4: Simplify right side
    385,890,087.96x = 122,070,062,452,142,272
  5. Step 5: Solve for x
    x = 122,070,062,452,142,272/385,890,087.96
  6. Step 6: Final answer
    x = 316,333,759.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.