Home / 51,715,342.60-77,566,793.10-21,420,046.60

Finding the Fourth Proportional to 51,715,342.60, 77,566,793.10 and 21,420,046.60

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Solution

The fourth proportional to 51,715,342.60, 77,566,793.10 and 21,420,046.60 is: 32,127,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715,342.60 : 77,566,793.10 = 21,420,046.60 : x
  2. Step 2: Convert to fraction form
    51,715,342.60/77,566,793.10 = 21,420,046.60/x
  3. Step 3: Cross multiply
    51,715,342.60x = 77,566,793.10 × 21,420,046.60
  4. Step 4: Simplify right side
    51,715,342.60x = 1,661,484,322,814,558.50
  5. Step 5: Solve for x
    x = 1,661,484,322,814,558.50/51,715,342.60
  6. Step 6: Final answer
    x = 32,127,493.30

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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.