Home / 252,719,971.20-348,807,441.60-173,443,478.40

Finding the Fourth Proportional to 252,719,971.20, 348,807,441.60 and 173,443,478.40

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Solution

The fourth proportional to 252,719,971.20, 348,807,441.60 and 173,443,478.40 is: 239,388,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,719,971.20 : 348,807,441.60 = 173,443,478.40 : x
  2. Step 2: Convert to fraction form
    252,719,971.20/348,807,441.60 = 173,443,478.40/x
  3. Step 3: Cross multiply
    252,719,971.20x = 348,807,441.60 × 173,443,478.40
  4. Step 4: Simplify right side
    252,719,971.20x = 60,498,375,962,908,864
  5. Step 5: Solve for x
    x = 60,498,375,962,908,864/252,719,971.20
  6. Step 6: Final answer
    x = 239,388,979.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.