Home / 48,839,965.20-73,259,947.80-20,106,721.80

Finding the Fourth Proportional to 48,839,965.20, 73,259,947.80 and 20,106,721.80

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Solution

The fourth proportional to 48,839,965.20, 73,259,947.80 and 20,106,721.80 is: 30,160,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839,965.20 : 73,259,947.80 = 20,106,721.80 : x
  2. Step 2: Convert to fraction form
    48,839,965.20/73,259,947.80 = 20,106,721.80/x
  3. Step 3: Cross multiply
    48,839,965.20x = 73,259,947.80 × 20,106,721.80
  4. Step 4: Simplify right side
    48,839,965.20x = 1,473,017,389,497,122
  5. Step 5: Solve for x
    x = 1,473,017,389,497,122/48,839,965.20
  6. Step 6: Final answer
    x = 30,160,082.70

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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.