Home / 137,188,064-205,822,519.97-55,264,785.40

Finding the Fourth Proportional to 137,188,064, 205,822,519.97 and 55,264,785.40

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Solution

The fourth proportional to 137,188,064, 205,822,519.97 and 55,264,785.40 is: 82,913,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,188,064 : 205,822,519.97 = 55,264,785.40 : x
  2. Step 2: Convert to fraction form
    137,188,064/205,822,519.97 = 55,264,785.40/x
  3. Step 3: Cross multiply
    137,188,064x = 205,822,519.97 × 55,264,785.40
  4. Step 4: Simplify right side
    137,188,064x = 11,374,737,396,629,264
  5. Step 5: Solve for x
    x = 11,374,737,396,629,264/137,188,064
  6. Step 6: Final answer
    x = 82,913,462.48

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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.