Home / 144,012,992.22-215,932,010.65-56,469,630.78

Finding the Fourth Proportional to 144,012,992.22, 215,932,010.65 and 56,469,630.78

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Solution

The fourth proportional to 144,012,992.22, 215,932,010.65 and 56,469,630.78 is: 84,670,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012,992.22 : 215,932,010.65 = 56,469,630.78 : x
  2. Step 2: Convert to fraction form
    144,012,992.22/215,932,010.65 = 56,469,630.78/x
  3. Step 3: Cross multiply
    144,012,992.22x = 215,932,010.65 × 56,469,630.78
  4. Step 4: Simplify right side
    144,012,992.22x = 12,193,600,914,847,354
  5. Step 5: Solve for x
    x = 12,193,600,914,847,354/144,012,992.22
  6. Step 6: Final answer
    x = 84,670,144.87

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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.