Home / 108,483,286.20-149,620,313-71,351,685.76

Finding the Fourth Proportional to 108,483,286.20, 149,620,313 and 71,351,685.76

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Solution

The fourth proportional to 108,483,286.20, 149,620,313 and 71,351,685.76 is: 98,408,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,483,286.20 : 149,620,313 = 71,351,685.76 : x
  2. Step 2: Convert to fraction form
    108,483,286.20/149,620,313 = 71,351,685.76/x
  3. Step 3: Cross multiply
    108,483,286.20x = 149,620,313 × 71,351,685.76
  4. Step 4: Simplify right side
    108,483,286.20x = 10,675,661,556,488,844
  5. Step 5: Solve for x
    x = 10,675,661,556,488,844/108,483,286.20
  6. Step 6: Final answer
    x = 98,408,353.31

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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.