Home / 69,331,442.49-95,676,214.25-38,390,947.47

Finding the Fourth Proportional to 69,331,442.49, 95,676,214.25 and 38,390,947.47

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Solution

The fourth proportional to 69,331,442.49, 95,676,214.25 and 38,390,947.47 is: 52,978,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,331,442.49 : 95,676,214.25 = 38,390,947.47 : x
  2. Step 2: Convert to fraction form
    69,331,442.49/95,676,214.25 = 38,390,947.47/x
  3. Step 3: Cross multiply
    69,331,442.49x = 95,676,214.25 × 38,390,947.47
  4. Step 4: Simplify right side
    69,331,442.49x = 3,673,100,515,400,215.50
  5. Step 5: Solve for x
    x = 3,673,100,515,400,215.50/69,331,442.49
  6. Step 6: Final answer
    x = 52,978,856.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.