Home / 49,152,190.80-73,746,000.90-20,418,947.40

Finding the Fourth Proportional to 49,152,190.80, 73,746,000.90 and 20,418,947.40

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Solution

The fourth proportional to 49,152,190.80, 73,746,000.90 and 20,418,947.40 is: 30,635,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152,190.80 : 73,746,000.90 = 20,418,947.40 : x
  2. Step 2: Convert to fraction form
    49,152,190.80/73,746,000.90 = 20,418,947.40/x
  3. Step 3: Cross multiply
    49,152,190.80x = 73,746,000.90 × 20,418,947.40
  4. Step 4: Simplify right side
    49,152,190.80x = 1,505,815,713,337,452.75
  5. Step 5: Solve for x
    x = 1,505,815,713,337,452.75/49,152,190.80
  6. Step 6: Final answer
    x = 30,635,780.19

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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.