Home / 137,965,689.27-207,034,690.42-91,939,853.93

Finding the Fourth Proportional to 137,965,689.27, 207,034,690.42 and 91,939,853.93

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Solution

The fourth proportional to 137,965,689.27, 207,034,690.42 and 91,939,853.93 is: 137,967,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,965,689.27 : 207,034,690.42 = 91,939,853.93 : x
  2. Step 2: Convert to fraction form
    137,965,689.27/207,034,690.42 = 91,939,853.93/x
  3. Step 3: Cross multiply
    137,965,689.27x = 207,034,690.42 × 91,939,853.93
  4. Step 4: Simplify right side
    137,965,689.27x = 19,034,739,195,197,872
  5. Step 5: Solve for x
    x = 19,034,739,195,197,872/137,965,689.27
  6. Step 6: Final answer
    x = 137,967,195.29

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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.