Home / 71,928,001.80-107,892,002.70-47,694,292.20

Finding the Fourth Proportional to 71,928,001.80, 107,892,002.70 and 47,694,292.20

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Solution

The fourth proportional to 71,928,001.80, 107,892,002.70 and 47,694,292.20 is: 71,541,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928,001.80 : 107,892,002.70 = 47,694,292.20 : x
  2. Step 2: Convert to fraction form
    71,928,001.80/107,892,002.70 = 47,694,292.20/x
  3. Step 3: Cross multiply
    71,928,001.80x = 107,892,002.70 × 47,694,292.20
  4. Step 4: Simplify right side
    71,928,001.80x = 5,145,832,702,816,989
  5. Step 5: Solve for x
    x = 5,145,832,702,816,989/71,928,001.80
  6. Step 6: Final answer
    x = 71,541,438.30

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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.