Home / 71,272,906.39-98,356,610.79-38,677,858.39

Finding the Fourth Proportional to 71,272,906.39, 98,356,610.79 and 38,677,858.39

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Solution

The fourth proportional to 71,272,906.39, 98,356,610.79 and 38,677,858.39 is: 53,375,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,906.39 : 98,356,610.79 = 38,677,858.39 : x
  2. Step 2: Convert to fraction form
    71,272,906.39/98,356,610.79 = 38,677,858.39/x
  3. Step 3: Cross multiply
    71,272,906.39x = 98,356,610.79 × 38,677,858.39
  4. Step 4: Simplify right side
    71,272,906.39x = 3,804,223,063,855,966.50
  5. Step 5: Solve for x
    x = 3,804,223,063,855,966.50/71,272,906.39
  6. Step 6: Final answer
    x = 53,375,444.56

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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.