Home / 158,091,660.75-218,189,404.44-91,097,585.13

Finding the Fourth Proportional to 158,091,660.75, 218,189,404.44 and 91,097,585.13

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Solution

The fourth proportional to 158,091,660.75, 218,189,404.44 and 91,097,585.13 is: 125,727,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,091,660.75 : 218,189,404.44 = 91,097,585.13 : x
  2. Step 2: Convert to fraction form
    158,091,660.75/218,189,404.44 = 91,097,585.13/x
  3. Step 3: Cross multiply
    158,091,660.75x = 218,189,404.44 × 91,097,585.13
  4. Step 4: Simplify right side
    158,091,660.75x = 19,876,527,845,436,900
  5. Step 5: Solve for x
    x = 19,876,527,845,436,900/158,091,660.75
  6. Step 6: Final answer
    x = 125,727,870.47

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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.