Home / 158,257,753.54-217,888,119.93-123,405,721.54

Finding the Fourth Proportional to 158,257,753.54, 217,888,119.93 and 123,405,721.54

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Solution

The fourth proportional to 158,257,753.54, 217,888,119.93 and 123,405,721.54 is: 169,904,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,257,753.54 : 217,888,119.93 = 123,405,721.54 : x
  2. Step 2: Convert to fraction form
    158,257,753.54/217,888,119.93 = 123,405,721.54/x
  3. Step 3: Cross multiply
    158,257,753.54x = 217,888,119.93 × 123,405,721.54
  4. Step 4: Simplify right side
    158,257,753.54x = 26,888,640,654,955,708
  5. Step 5: Solve for x
    x = 26,888,640,654,955,708/158,257,753.54
  6. Step 6: Final answer
    x = 169,904,096.66

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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.