Home / 231,372,636.09-319,300,112.58-126,950,679.74

Finding the Fourth Proportional to 231,372,636.09, 319,300,112.58 and 126,950,679.74

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Solution

The fourth proportional to 231,372,636.09, 319,300,112.58 and 126,950,679.74 is: 175,195,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,372,636.09 : 319,300,112.58 = 126,950,679.74 : x
  2. Step 2: Convert to fraction form
    231,372,636.09/319,300,112.58 = 126,950,679.74/x
  3. Step 3: Cross multiply
    231,372,636.09x = 319,300,112.58 × 126,950,679.74
  4. Step 4: Simplify right side
    231,372,636.09x = 40,535,366,331,493,024
  5. Step 5: Solve for x
    x = 40,535,366,331,493,024/231,372,636.09
  6. Step 6: Final answer
    x = 175,195,161.44

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1.5x scale

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.