Home / 71,227,210.50-98,293,556.97-40,286,713.86

Finding the Fourth Proportional to 71,227,210.50, 98,293,556.97 and 40,286,713.86

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Solution

The fourth proportional to 71,227,210.50, 98,293,556.97 and 40,286,713.86 is: 55,595,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,227,210.50 : 98,293,556.97 = 40,286,713.86 : x
  2. Step 2: Convert to fraction form
    71,227,210.50/98,293,556.97 = 40,286,713.86/x
  3. Step 3: Cross multiply
    71,227,210.50x = 98,293,556.97 × 40,286,713.86
  4. Step 4: Simplify right side
    71,227,210.50x = 3,959,924,403,931,998.50
  5. Step 5: Solve for x
    x = 3,959,924,403,931,998.50/71,227,210.50
  6. Step 6: Final answer
    x = 55,595,668.79

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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.