Home / 69,532,951.20-104,298,908.40-21,010,711.20

Finding the Fourth Proportional to 69,532,951.20, 104,298,908.40 and 21,010,711.20

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Solution

The fourth proportional to 69,532,951.20, 104,298,908.40 and 21,010,711.20 is: 31,515,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,532,951.20 : 104,298,908.40 = 21,010,711.20 : x
  2. Step 2: Convert to fraction form
    69,532,951.20/104,298,908.40 = 21,010,711.20/x
  3. Step 3: Cross multiply
    69,532,951.20x = 104,298,908.40 × 21,010,711.20
  4. Step 4: Simplify right side
    69,532,951.20x = 2,191,394,242,867,654.25
  5. Step 5: Solve for x
    x = 2,191,394,242,867,654.25/69,532,951.20
  6. Step 6: Final answer
    x = 31,515,910.16

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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.