Home / 80,874,301.80-121,311,452.70-50,263,300.20

Finding the Fourth Proportional to 80,874,301.80, 121,311,452.70 and 50,263,300.20

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Solution

The fourth proportional to 80,874,301.80, 121,311,452.70 and 50,263,300.20 is: 75,394,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,874,301.80 : 121,311,452.70 = 50,263,300.20 : x
  2. Step 2: Convert to fraction form
    80,874,301.80/121,311,452.70 = 50,263,300.20/x
  3. Step 3: Cross multiply
    80,874,301.80x = 121,311,452.70 × 50,263,300.20
  4. Step 4: Simplify right side
    80,874,301.80x = 6,097,513,964,758,201
  5. Step 5: Solve for x
    x = 6,097,513,964,758,201/80,874,301.80
  6. Step 6: Final answer
    x = 75,394,950.30

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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.