Home / 242,287,255.20-363,430,882.80-218,100,784.80

Finding the Fourth Proportional to 242,287,255.20, 363,430,882.80 and 218,100,784.80

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Solution

The fourth proportional to 242,287,255.20, 363,430,882.80 and 218,100,784.80 is: 327,151,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,287,255.20 : 363,430,882.80 = 218,100,784.80 : x
  2. Step 2: Convert to fraction form
    242,287,255.20/363,430,882.80 = 218,100,784.80/x
  3. Step 3: Cross multiply
    242,287,255.20x = 363,430,882.80 × 218,100,784.80
  4. Step 4: Simplify right side
    242,287,255.20x = 79,264,560,759,236,832
  5. Step 5: Solve for x
    x = 79,264,560,759,236,832/242,287,255.20
  6. Step 6: Final answer
    x = 327,151,177.20

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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.