Home / 243,403,178.86-335,859,236.34-137,517,959.08

Finding the Fourth Proportional to 243,403,178.86, 335,859,236.34 and 137,517,959.08

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Solution

The fourth proportional to 243,403,178.86, 335,859,236.34 and 137,517,959.08 is: 189,753,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,403,178.86 : 335,859,236.34 = 137,517,959.08 : x
  2. Step 2: Convert to fraction form
    243,403,178.86/335,859,236.34 = 137,517,959.08/x
  3. Step 3: Cross multiply
    243,403,178.86x = 335,859,236.34 × 137,517,959.08
  4. Step 4: Simplify right side
    243,403,178.86x = 46,186,676,719,644,168
  5. Step 5: Solve for x
    x = 46,186,676,719,644,168/243,403,178.86
  6. Step 6: Final answer
    x = 189,753,794.24

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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.