Home / 137,979,340.11-206,969,010.35-56,079,029.97

Finding the Fourth Proportional to 137,979,340.11, 206,969,010.35 and 56,079,029.97

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Solution

The fourth proportional to 137,979,340.11, 206,969,010.35 and 56,079,029.97 is: 84,118,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979,340.11 : 206,969,010.35 = 56,079,029.97 : x
  2. Step 2: Convert to fraction form
    137,979,340.11/206,969,010.35 = 56,079,029.97/x
  3. Step 3: Cross multiply
    137,979,340.11x = 206,969,010.35 × 56,079,029.97
  4. Step 4: Simplify right side
    137,979,340.11x = 11,606,621,333,998,494
  5. Step 5: Solve for x
    x = 11,606,621,333,998,494/137,979,340.11
  6. Step 6: Final answer
    x = 84,118,545.03

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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.