Home / 188,591,812-282,887,796.60-84,839,831.52

Finding the Fourth Proportional to 188,591,812, 282,887,796.60 and 84,839,831.52

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Solution

The fourth proportional to 188,591,812, 282,887,796.60 and 84,839,831.52 is: 127,259,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,591,812 : 282,887,796.60 = 84,839,831.52 : x
  2. Step 2: Convert to fraction form
    188,591,812/282,887,796.60 = 84,839,831.52/x
  3. Step 3: Cross multiply
    188,591,812x = 282,887,796.60 × 84,839,831.52
  4. Step 4: Simplify right side
    188,591,812x = 24,000,153,002,608,028
  5. Step 5: Solve for x
    x = 24,000,153,002,608,028/188,591,812
  6. Step 6: Final answer
    x = 127,259,782.64

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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.