Home / 45,921,766.78-68,882,744.94-43,115,758.30

Finding the Fourth Proportional to 45,921,766.78, 68,882,744.94 and 43,115,758.30

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Solution

The fourth proportional to 45,921,766.78, 68,882,744.94 and 43,115,758.30 is: 64,673,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,921,766.78 : 68,882,744.94 = 43,115,758.30 : x
  2. Step 2: Convert to fraction form
    45,921,766.78/68,882,744.94 = 43,115,758.30/x
  3. Step 3: Cross multiply
    45,921,766.78x = 68,882,744.94 × 43,115,758.30
  4. Step 4: Simplify right side
    45,921,766.78x = 2,969,931,781,873,587.50
  5. Step 5: Solve for x
    x = 2,969,931,781,873,587.50/45,921,766.78
  6. Step 6: Final answer
    x = 64,673,726.43

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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.