Home / 157,777,082.37-217,754,003.21-90,794,663.91

Finding the Fourth Proportional to 157,777,082.37, 217,754,003.21 and 90,794,663.91

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Solution

The fourth proportional to 157,777,082.37, 217,754,003.21 and 90,794,663.91 is: 125,309,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,082.37 : 217,754,003.21 = 90,794,663.91 : x
  2. Step 2: Convert to fraction form
    157,777,082.37/217,754,003.21 = 90,794,663.91/x
  3. Step 3: Cross multiply
    157,777,082.37x = 217,754,003.21 × 90,794,663.91
  4. Step 4: Simplify right side
    157,777,082.37x = 19,770,901,536,055,040
  5. Step 5: Solve for x
    x = 19,770,901,536,055,040/157,777,082.37
  6. Step 6: Final answer
    x = 125,309,083.16

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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.