Home / 45,472,065.40-68,208,098.10-13,125,023.20

Finding the Fourth Proportional to 45,472,065.40, 68,208,098.10 and 13,125,023.20

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Solution

The fourth proportional to 45,472,065.40, 68,208,098.10 and 13,125,023.20 is: 19,687,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,472,065.40 : 68,208,098.10 = 13,125,023.20 : x
  2. Step 2: Convert to fraction form
    45,472,065.40/68,208,098.10 = 13,125,023.20/x
  3. Step 3: Cross multiply
    45,472,065.40x = 68,208,098.10 × 13,125,023.20
  4. Step 4: Simplify right side
    45,472,065.40x = 895,232,869,990,375.75
  5. Step 5: Solve for x
    x = 895,232,869,990,375.75/45,472,065.40
  6. Step 6: Final answer
    x = 19,687,534.80

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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.