Home / 174,541,431.60-261,812,147.40-77,394,016.80

Finding the Fourth Proportional to 174,541,431.60, 261,812,147.40 and 77,394,016.80

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Solution

The fourth proportional to 174,541,431.60, 261,812,147.40 and 77,394,016.80 is: 116,091,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,541,431.60 : 261,812,147.40 = 77,394,016.80 : x
  2. Step 2: Convert to fraction form
    174,541,431.60/261,812,147.40 = 77,394,016.80/x
  3. Step 3: Cross multiply
    174,541,431.60x = 261,812,147.40 × 77,394,016.80
  4. Step 4: Simplify right side
    174,541,431.60x = 20,262,693,734,319,676
  5. Step 5: Solve for x
    x = 20,262,693,734,319,676/174,541,431.60
  6. Step 6: Final answer
    x = 116,091,025.20

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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.