Home / 288,259,965.06-397,799,135.38-156,101,189.42

Finding the Fourth Proportional to 288,259,965.06, 397,799,135.38 and 156,101,189.42

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Solution

The fourth proportional to 288,259,965.06, 397,799,135.38 and 156,101,189.42 is: 215,419,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,259,965.06 : 397,799,135.38 = 156,101,189.42 : x
  2. Step 2: Convert to fraction form
    288,259,965.06/397,799,135.38 = 156,101,189.42/x
  3. Step 3: Cross multiply
    288,259,965.06x = 397,799,135.38 × 156,101,189.42
  4. Step 4: Simplify right side
    288,259,965.06x = 62,096,918,183,065,600
  5. Step 5: Solve for x
    x = 62,096,918,183,065,600/288,259,965.06
  6. Step 6: Final answer
    x = 215,419,849.13

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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.