Home / 73,287,255.20-109,930,882.80-19,440,010.40

Finding the Fourth Proportional to 73,287,255.20, 109,930,882.80 and 19,440,010.40

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Solution

The fourth proportional to 73,287,255.20, 109,930,882.80 and 19,440,010.40 is: 29,160,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287,255.20 : 109,930,882.80 = 19,440,010.40 : x
  2. Step 2: Convert to fraction form
    73,287,255.20/109,930,882.80 = 19,440,010.40/x
  3. Step 3: Cross multiply
    73,287,255.20x = 109,930,882.80 × 19,440,010.40
  4. Step 4: Simplify right side
    73,287,255.20x = 2,137,057,504,913,181
  5. Step 5: Solve for x
    x = 2,137,057,504,913,181/73,287,255.20
  6. Step 6: Final answer
    x = 29,160,015.60

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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.