Home / 159,909,517.05-220,686,552.77-88,380,859.85

Finding the Fourth Proportional to 159,909,517.05, 220,686,552.77 and 88,380,859.85

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Solution

The fourth proportional to 159,909,517.05, 220,686,552.77 and 88,380,859.85 is: 121,971,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909,517.05 : 220,686,552.77 = 88,380,859.85 : x
  2. Step 2: Convert to fraction form
    159,909,517.05/220,686,552.77 = 88,380,859.85/x
  3. Step 3: Cross multiply
    159,909,517.05x = 220,686,552.77 × 88,380,859.85
  4. Step 4: Simplify right side
    159,909,517.05x = 19,504,467,291,254,812
  5. Step 5: Solve for x
    x = 19,504,467,291,254,812/159,909,517.05
  6. Step 6: Final answer
    x = 121,971,897.92

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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.