Home / 73,215,556.57-101,037,190.80-40,176,358.49

Finding the Fourth Proportional to 73,215,556.57, 101,037,190.80 and 40,176,358.49

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Solution

The fourth proportional to 73,215,556.57, 101,037,190.80 and 40,176,358.49 is: 55,443,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215,556.57 : 101,037,190.80 = 40,176,358.49 : x
  2. Step 2: Convert to fraction form
    73,215,556.57/101,037,190.80 = 40,176,358.49/x
  3. Step 3: Cross multiply
    73,215,556.57x = 101,037,190.80 × 40,176,358.49
  4. Step 4: Simplify right side
    73,215,556.57x = 4,059,306,398,403,330
  5. Step 5: Solve for x
    x = 4,059,306,398,403,330/73,215,556.57
  6. Step 6: Final answer
    x = 55,443,222.57

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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.