Home / 257,475,964.40-386,661,844.20-136,543,612.40

Finding the Fourth Proportional to 257,475,964.40, 386,661,844.20 and 136,543,612.40

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Solution

The fourth proportional to 257,475,964.40, 386,661,844.20 and 136,543,612.40 is: 205,052,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,475,964.40 : 386,661,844.20 = 136,543,612.40 : x
  2. Step 2: Convert to fraction form
    257,475,964.40/386,661,844.20 = 136,543,612.40/x
  3. Step 3: Cross multiply
    257,475,964.40x = 386,661,844.20 × 136,543,612.40
  4. Step 4: Simplify right side
    257,475,964.40x = 52,796,204,984,313,992
  5. Step 5: Solve for x
    x = 52,796,204,984,313,992/257,475,964.40
  6. Step 6: Final answer
    x = 205,052,945.84

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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.