Home / 242,287,481.20-363,431,221.80-218,101,010.80

Finding the Fourth Proportional to 242,287,481.20, 363,431,221.80 and 218,101,010.80

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Solution

The fourth proportional to 242,287,481.20, 363,431,221.80 and 218,101,010.80 is: 327,151,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,287,481.20 : 363,431,221.80 = 218,101,010.80 : x
  2. Step 2: Convert to fraction form
    242,287,481.20/363,431,221.80 = 218,101,010.80/x
  3. Step 3: Cross multiply
    242,287,481.20x = 363,431,221.80 × 218,101,010.80
  4. Step 4: Simplify right side
    242,287,481.20x = 79,264,716,830,859,008
  5. Step 5: Solve for x
    x = 79,264,716,830,859,008/242,287,481.20
  6. Step 6: Final answer
    x = 327,151,516.20

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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.