Home / 311,126,762.82-429,372,151.38-171,894,535.26

Finding the Fourth Proportional to 311,126,762.82, 429,372,151.38 and 171,894,535.26

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Solution

The fourth proportional to 311,126,762.82, 429,372,151.38 and 171,894,535.26 is: 237,223,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,126,762.82 : 429,372,151.38 = 171,894,535.26 : x
  2. Step 2: Convert to fraction form
    311,126,762.82/429,372,151.38 = 171,894,535.26/x
  3. Step 3: Cross multiply
    311,126,762.82x = 429,372,151.38 × 171,894,535.26
  4. Step 4: Simplify right side
    311,126,762.82x = 73,806,726,415,051,456
  5. Step 5: Solve for x
    x = 73,806,726,415,051,456/311,126,762.82
  6. Step 6: Final answer
    x = 237,223,971.82

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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.