Home / 356,165,278.31-534,185,085.26-137,635,963.94

Finding the Fourth Proportional to 356,165,278.31, 534,185,085.26 and 137,635,963.94

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Solution

The fourth proportional to 356,165,278.31, 534,185,085.26 and 137,635,963.94 is: 206,429,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,165,278.31 : 534,185,085.26 = 137,635,963.94 : x
  2. Step 2: Convert to fraction form
    356,165,278.31/534,185,085.26 = 137,635,963.94/x
  3. Step 3: Cross multiply
    356,165,278.31x = 534,185,085.26 × 137,635,963.94
  4. Step 4: Simplify right side
    356,165,278.31x = 73,523,079,133,810,736
  5. Step 5: Solve for x
    x = 73,523,079,133,810,736/356,165,278.31
  6. Step 6: Final answer
    x = 206,429,665.13

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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.