Home / 49,178,077.20-73,767,115.80-39,612,139.20

Finding the Fourth Proportional to 49,178,077.20, 73,767,115.80 and 39,612,139.20

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Solution

The fourth proportional to 49,178,077.20, 73,767,115.80 and 39,612,139.20 is: 59,418,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178,077.20 : 73,767,115.80 = 39,612,139.20 : x
  2. Step 2: Convert to fraction form
    49,178,077.20/73,767,115.80 = 39,612,139.20/x
  3. Step 3: Cross multiply
    49,178,077.20x = 73,767,115.80 × 39,612,139.20
  4. Step 4: Simplify right side
    49,178,077.20x = 2,922,073,259,452,119.50
  5. Step 5: Solve for x
    x = 2,922,073,259,452,119.50/49,178,077.20
  6. Step 6: Final answer
    x = 59,418,208.80

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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.