Home / 51,222,046.20-76,833,199.44-20,929,909.20

Finding the Fourth Proportional to 51,222,046.20, 76,833,199.44 and 20,929,909.20

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Solution

The fourth proportional to 51,222,046.20, 76,833,199.44 and 20,929,909.20 is: 31,394,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222,046.20 : 76,833,199.44 = 20,929,909.20 : x
  2. Step 2: Convert to fraction form
    51,222,046.20/76,833,199.44 = 20,929,909.20/x
  3. Step 3: Cross multiply
    51,222,046.20x = 76,833,199.44 × 20,929,909.20
  4. Step 4: Simplify right side
    51,222,046.20x = 1,608,111,887,824,690.75
  5. Step 5: Solve for x
    x = 1,608,111,887,824,690.75/51,222,046.20
  6. Step 6: Final answer
    x = 31,394,916.98

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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.