Home / 71,351,826.52-98,473,688.76-39,998,343.64

Finding the Fourth Proportional to 71,351,826.52, 98,473,688.76 and 39,998,343.64

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Solution

The fourth proportional to 71,351,826.52, 98,473,688.76 and 39,998,343.64 is: 55,202,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,351,826.52 : 98,473,688.76 = 39,998,343.64 : x
  2. Step 2: Convert to fraction form
    71,351,826.52/98,473,688.76 = 39,998,343.64/x
  3. Step 3: Cross multiply
    71,351,826.52x = 98,473,688.76 × 39,998,343.64
  4. Step 4: Simplify right side
    71,351,826.52x = 3,938,784,442,520,886
  5. Step 5: Solve for x
    x = 3,938,784,442,520,886/71,351,826.52
  6. Step 6: Final answer
    x = 55,202,293.12

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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.