Home / 158,091,658.75-218,189,401.68-91,097,583.13

Finding the Fourth Proportional to 158,091,658.75, 218,189,401.68 and 91,097,583.13

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Solution

The fourth proportional to 158,091,658.75, 218,189,401.68 and 91,097,583.13 is: 125,727,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,091,658.75 : 218,189,401.68 = 91,097,583.13 : x
  2. Step 2: Convert to fraction form
    158,091,658.75/218,189,401.68 = 91,097,583.13/x
  3. Step 3: Cross multiply
    158,091,658.75x = 218,189,401.68 × 91,097,583.13
  4. Step 4: Simplify right side
    158,091,658.75x = 19,876,527,157,628,760
  5. Step 5: Solve for x
    x = 19,876,527,157,628,760/158,091,658.75
  6. Step 6: Final answer
    x = 125,727,867.71

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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.