Home / 126,181,859.20-189,216,801.60-57,989,449.60

Finding the Fourth Proportional to 126,181,859.20, 189,216,801.60 and 57,989,449.60

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Solution

The fourth proportional to 126,181,859.20, 189,216,801.60 and 57,989,449.60 is: 86,958,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,181,859.20 : 189,216,801.60 = 57,989,449.60 : x
  2. Step 2: Convert to fraction form
    126,181,859.20/189,216,801.60 = 57,989,449.60/x
  3. Step 3: Cross multiply
    126,181,859.20x = 189,216,801.60 × 57,989,449.60
  4. Step 4: Simplify right side
    126,181,859.20x = 10,972,578,179,856,400
  5. Step 5: Solve for x
    x = 10,972,578,179,856,400/126,181,859.20
  6. Step 6: Final answer
    x = 86,958,444.34

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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.