Home / 49,046,787.40-67,684,520.82-28,432,183.72

Finding the Fourth Proportional to 49,046,787.40, 67,684,520.82 and 28,432,183.72

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Solution

The fourth proportional to 49,046,787.40, 67,684,520.82 and 28,432,183.72 is: 39,236,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,046,787.40 : 67,684,520.82 = 28,432,183.72 : x
  2. Step 2: Convert to fraction form
    49,046,787.40/67,684,520.82 = 28,432,183.72/x
  3. Step 3: Cross multiply
    49,046,787.40x = 67,684,520.82 × 28,432,183.72
  4. Step 4: Simplify right side
    49,046,787.40x = 1,924,418,730,954,404.75
  5. Step 5: Solve for x
    x = 1,924,418,730,954,404.75/49,046,787.40
  6. Step 6: Final answer
    x = 39,236,386.99

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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.