Home / 137,965,689.77-207,034,691.16-91,939,854.44

Finding the Fourth Proportional to 137,965,689.77, 207,034,691.16 and 91,939,854.44

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Solution

The fourth proportional to 137,965,689.77, 207,034,691.16 and 91,939,854.44 is: 137,967,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,965,689.77 : 207,034,691.16 = 91,939,854.44 : x
  2. Step 2: Convert to fraction form
    137,965,689.77/207,034,691.16 = 91,939,854.44/x
  3. Step 3: Cross multiply
    137,965,689.77x = 207,034,691.16 × 91,939,854.44
  4. Step 4: Simplify right side
    137,965,689.77x = 19,034,739,368,245,580
  5. Step 5: Solve for x
    x = 19,034,739,368,245,580/137,965,689.77
  6. Step 6: Final answer
    x = 137,967,196.05

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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.