Home / 205,440,563.20-308,160,844.80-69,080,627.20

Finding the Fourth Proportional to 205,440,563.20, 308,160,844.80 and 69,080,627.20

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Solution

The fourth proportional to 205,440,563.20, 308,160,844.80 and 69,080,627.20 is: 103,620,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,440,563.20 : 308,160,844.80 = 69,080,627.20 : x
  2. Step 2: Convert to fraction form
    205,440,563.20/308,160,844.80 = 69,080,627.20/x
  3. Step 3: Cross multiply
    205,440,563.20x = 308,160,844.80 × 69,080,627.20
  4. Step 4: Simplify right side
    205,440,563.20x = 21,287,944,437,265,860
  5. Step 5: Solve for x
    x = 21,287,944,437,265,860/205,440,563.20
  6. Step 6: Final answer
    x = 103,620,940.80

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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.