Home / 145,161,010.40-217,741,515.60-93,764,760.80

Finding the Fourth Proportional to 145,161,010.40, 217,741,515.60 and 93,764,760.80

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Solution

The fourth proportional to 145,161,010.40, 217,741,515.60 and 93,764,760.80 is: 140,647,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,161,010.40 : 217,741,515.60 = 93,764,760.80 : x
  2. Step 2: Convert to fraction form
    145,161,010.40/217,741,515.60 = 93,764,760.80/x
  3. Step 3: Cross multiply
    145,161,010.40x = 217,741,515.60 × 93,764,760.80
  4. Step 4: Simplify right side
    145,161,010.40x = 20,416,481,126,463,468
  5. Step 5: Solve for x
    x = 20,416,481,126,463,468/145,161,010.40
  6. Step 6: Final answer
    x = 140,647,141.20

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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.