Home / 231,372,636.59-319,300,113.27-126,950,680.24

Finding the Fourth Proportional to 231,372,636.59, 319,300,113.27 and 126,950,680.24

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Solution

The fourth proportional to 231,372,636.59, 319,300,113.27 and 126,950,680.24 is: 175,195,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,372,636.59 : 319,300,113.27 = 126,950,680.24 : x
  2. Step 2: Convert to fraction form
    231,372,636.59/319,300,113.27 = 126,950,680.24/x
  3. Step 3: Cross multiply
    231,372,636.59x = 319,300,113.27 × 126,950,680.24
  4. Step 4: Simplify right side
    231,372,636.59x = 40,535,366,580,335,544
  5. Step 5: Solve for x
    x = 40,535,366,580,335,544/231,372,636.59
  6. Step 6: Final answer
    x = 175,195,162.13

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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.