Home / 217,254,649.64-299,738,046.82-123,158,707.88

Finding the Fourth Proportional to 217,254,649.64, 299,738,046.82 and 123,158,707.88

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Solution

The fourth proportional to 217,254,649.64, 299,738,046.82 and 123,158,707.88 is: 169,917,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,254,649.64 : 299,738,046.82 = 123,158,707.88 : x
  2. Step 2: Convert to fraction form
    217,254,649.64/299,738,046.82 = 123,158,707.88/x
  3. Step 3: Cross multiply
    217,254,649.64x = 299,738,046.82 × 123,158,707.88
  4. Step 4: Simplify right side
    217,254,649.64x = 36,915,350,548,826,144
  5. Step 5: Solve for x
    x = 36,915,350,548,826,144/217,254,649.64
  6. Step 6: Final answer
    x = 169,917,424.60

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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.