Home / 247,322,747.80-370,996,052.50-81,322,577.38

Finding the Fourth Proportional to 247,322,747.80, 370,996,052.50 and 81,322,577.38

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Solution

The fourth proportional to 247,322,747.80, 370,996,052.50 and 81,322,577.38 is: 121,987,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,322,747.80 : 370,996,052.50 = 81,322,577.38 : x
  2. Step 2: Convert to fraction form
    247,322,747.80/370,996,052.50 = 81,322,577.38/x
  3. Step 3: Cross multiply
    247,322,747.80x = 370,996,052.50 × 81,322,577.38
  4. Step 4: Simplify right side
    247,322,747.80x = 30,170,355,187,105,792
  5. Step 5: Solve for x
    x = 30,170,355,187,105,792/247,322,747.80
  6. Step 6: Final answer
    x = 121,987,789.05

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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.