Home / 69,669,684.72-96,144,865.92-38,309,387.76

Finding the Fourth Proportional to 69,669,684.72, 96,144,865.92 and 38,309,387.76

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Solution

The fourth proportional to 69,669,684.72, 96,144,865.92 and 38,309,387.76 is: 52,867,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669,684.72 : 96,144,865.92 = 38,309,387.76 : x
  2. Step 2: Convert to fraction form
    69,669,684.72/96,144,865.92 = 38,309,387.76/x
  3. Step 3: Cross multiply
    69,669,684.72x = 96,144,865.92 × 38,309,387.76
  4. Step 4: Simplify right side
    69,669,684.72x = 3,683,250,949,662,489
  5. Step 5: Solve for x
    x = 3,683,250,949,662,489/69,669,684.72
  6. Step 6: Final answer
    x = 52,867,340.57

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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.