Home / 158,516,082.37-217,976,477.73-137,571,753.38

Finding the Fourth Proportional to 158,516,082.37, 217,976,477.73 and 137,571,753.38

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Solution

The fourth proportional to 158,516,082.37, 217,976,477.73 and 137,571,753.38 is: 189,175,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,516,082.37 : 217,976,477.73 = 137,571,753.38 : x
  2. Step 2: Convert to fraction form
    158,516,082.37/217,976,477.73 = 137,571,753.38/x
  3. Step 3: Cross multiply
    158,516,082.37x = 217,976,477.73 × 137,571,753.38
  4. Step 4: Simplify right side
    158,516,082.37x = 29,987,406,236,912,620
  5. Step 5: Solve for x
    x = 29,987,406,236,912,620/158,516,082.37
  6. Step 6: Final answer
    x = 189,175,797.11

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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.