Home / 54,454,806.60-81,682,209.90-42,125,375.40

Finding the Fourth Proportional to 54,454,806.60, 81,682,209.90 and 42,125,375.40

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Solution

The fourth proportional to 54,454,806.60, 81,682,209.90 and 42,125,375.40 is: 63,188,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454,806.60 : 81,682,209.90 = 42,125,375.40 : x
  2. Step 2: Convert to fraction form
    54,454,806.60/81,682,209.90 = 42,125,375.40/x
  3. Step 3: Cross multiply
    54,454,806.60x = 81,682,209.90 × 42,125,375.40
  4. Step 4: Simplify right side
    54,454,806.60x = 3,440,893,755,539,096.50
  5. Step 5: Solve for x
    x = 3,440,893,755,539,096.50/54,454,806.60
  6. Step 6: Final answer
    x = 63,188,063.10

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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.