Home / 49,206,579.20-73,809,868.80-18,915,430.40

Finding the Fourth Proportional to 49,206,579.20, 73,809,868.80 and 18,915,430.40

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Solution

The fourth proportional to 49,206,579.20, 73,809,868.80 and 18,915,430.40 is: 28,373,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206,579.20 : 73,809,868.80 = 18,915,430.40 : x
  2. Step 2: Convert to fraction form
    49,206,579.20/73,809,868.80 = 18,915,430.40/x
  3. Step 3: Cross multiply
    49,206,579.20x = 73,809,868.80 × 18,915,430.40
  4. Step 4: Simplify right side
    49,206,579.20x = 1,396,145,436,119,531.25
  5. Step 5: Solve for x
    x = 1,396,145,436,119,531.25/49,206,579.20
  6. Step 6: Final answer
    x = 28,373,145.60

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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.