Home / 69,418,121.72-104,053,766.93-25,670,770.52

Finding the Fourth Proportional to 69,418,121.72, 104,053,766.93 and 25,670,770.52

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Solution

The fourth proportional to 69,418,121.72, 104,053,766.93 and 25,670,770.52 is: 38,479,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,418,121.72 : 104,053,766.93 = 25,670,770.52 : x
  2. Step 2: Convert to fraction form
    69,418,121.72/104,053,766.93 = 25,670,770.52/x
  3. Step 3: Cross multiply
    69,418,121.72x = 104,053,766.93 × 25,670,770.52
  4. Step 4: Simplify right side
    69,418,121.72x = 2,671,140,372,413,971.50
  5. Step 5: Solve for x
    x = 2,671,140,372,413,971.50/69,418,121.72
  6. Step 6: Final answer
    x = 38,479,006.72

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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.