Home / 81,661,051.20-122,515,491.43-24,154,853.74

Finding the Fourth Proportional to 81,661,051.20, 122,515,491.43 and 24,154,853.74

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Solution

The fourth proportional to 81,661,051.20, 122,515,491.43 and 24,154,853.74 is: 36,239,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,051.20 : 122,515,491.43 = 24,154,853.74 : x
  2. Step 2: Convert to fraction form
    81,661,051.20/122,515,491.43 = 24,154,853.74/x
  3. Step 3: Cross multiply
    81,661,051.20x = 122,515,491.43 × 24,154,853.74
  4. Step 4: Simplify right side
    81,661,051.20x = 2,959,343,776,375,873.50
  5. Step 5: Solve for x
    x = 2,959,343,776,375,873.50/81,661,051.20
  6. Step 6: Final answer
    x = 36,239,354.42

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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.