Home / 50,419,726.40-75,629,589.60-31,287,850.40

Finding the Fourth Proportional to 50,419,726.40, 75,629,589.60 and 31,287,850.40

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Solution

The fourth proportional to 50,419,726.40, 75,629,589.60 and 31,287,850.40 is: 46,931,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419,726.40 : 75,629,589.60 = 31,287,850.40 : x
  2. Step 2: Convert to fraction form
    50,419,726.40/75,629,589.60 = 31,287,850.40/x
  3. Step 3: Cross multiply
    50,419,726.40x = 75,629,589.60 × 31,287,850.40
  4. Step 4: Simplify right side
    50,419,726.40x = 2,366,287,285,218,195.50
  5. Step 5: Solve for x
    x = 2,366,287,285,218,195.50/50,419,726.40
  6. Step 6: Final answer
    x = 46,931,775.60

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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.