Home / 159,947,632.21-220,728,032.61-89,383,242.90

Finding the Fourth Proportional to 159,947,632.21, 220,728,032.61 and 89,383,242.90

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Solution

The fourth proportional to 159,947,632.21, 220,728,032.61 and 89,383,242.90 is: 123,349,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,947,632.21 : 220,728,032.61 = 89,383,242.90 : x
  2. Step 2: Convert to fraction form
    159,947,632.21/220,728,032.61 = 89,383,242.90/x
  3. Step 3: Cross multiply
    159,947,632.21x = 220,728,032.61 × 89,383,242.90
  4. Step 4: Simplify right side
    159,947,632.21x = 19,729,387,353,678,540
  5. Step 5: Solve for x
    x = 19,729,387,353,678,540/159,947,632.21
  6. Step 6: Final answer
    x = 123,349,042.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.