Home / 239,382,995.52-359,138,463-86,030,380.56

Finding the Fourth Proportional to 239,382,995.52, 359,138,463 and 86,030,380.56

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Solution

The fourth proportional to 239,382,995.52, 359,138,463 and 86,030,380.56 is: 129,068,560.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,382,995.52 : 359,138,463 = 86,030,380.56 : x
  2. Step 2: Convert to fraction form
    239,382,995.52/359,138,463 = 86,030,380.56/x
  3. Step 3: Cross multiply
    239,382,995.52x = 359,138,463 × 86,030,380.56
  4. Step 4: Simplify right side
    239,382,995.52x = 30,896,818,645,623,480
  5. Step 5: Solve for x
    x = 30,896,818,645,623,480/239,382,995.52
  6. Step 6: Final answer
    x = 129,068,560.52

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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.