Home / 47,344,015.40-71,016,023.10-45,486,069.80

Finding the Fourth Proportional to 47,344,015.40, 71,016,023.10 and 45,486,069.80

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Solution

The fourth proportional to 47,344,015.40, 71,016,023.10 and 45,486,069.80 is: 68,229,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,344,015.40 : 71,016,023.10 = 45,486,069.80 : x
  2. Step 2: Convert to fraction form
    47,344,015.40/71,016,023.10 = 45,486,069.80/x
  3. Step 3: Cross multiply
    47,344,015.40x = 71,016,023.10 × 45,486,069.80
  4. Step 4: Simplify right side
    47,344,015.40x = 3,230,239,783,645,012
  5. Step 5: Solve for x
    x = 3,230,239,783,645,012/47,344,015.40
  6. Step 6: Final answer
    x = 68,229,104.70

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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.