Home / 111,707,800.65-167,561,700.98-103,645,643.85

Finding the Fourth Proportional to 111,707,800.65, 167,561,700.98 and 103,645,643.85

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Solution

The fourth proportional to 111,707,800.65, 167,561,700.98 and 103,645,643.85 is: 155,468,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707,800.65 : 167,561,700.98 = 103,645,643.85 : x
  2. Step 2: Convert to fraction form
    111,707,800.65/167,561,700.98 = 103,645,643.85/x
  3. Step 3: Cross multiply
    111,707,800.65x = 167,561,700.98 × 103,645,643.85
  4. Step 4: Simplify right side
    111,707,800.65x = 17,367,040,382,155,046
  5. Step 5: Solve for x
    x = 17,367,040,382,155,046/111,707,800.65
  6. Step 6: Final answer
    x = 155,468,465.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.