Home / 202,723,595.52-279,989,508.51-137,420,125.44

Finding the Fourth Proportional to 202,723,595.52, 279,989,508.51 and 137,420,125.44

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Solution

The fourth proportional to 202,723,595.52, 279,989,508.51 and 137,420,125.44 is: 189,796,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723,595.52 : 279,989,508.51 = 137,420,125.44 : x
  2. Step 2: Convert to fraction form
    202,723,595.52/279,989,508.51 = 137,420,125.44/x
  3. Step 3: Cross multiply
    202,723,595.52x = 279,989,508.51 × 137,420,125.44
  4. Step 4: Simplify right side
    202,723,595.52x = 38,476,193,381,328,144
  5. Step 5: Solve for x
    x = 38,476,193,381,328,144/202,723,595.52
  6. Step 6: Final answer
    x = 189,796,324.81

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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.