Home / 129,406,672.71-194,206,414.82-94,952,107.51

Finding the Fourth Proportional to 129,406,672.71, 194,206,414.82 and 94,952,107.51

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Solution

The fourth proportional to 129,406,672.71, 194,206,414.82 and 94,952,107.51 is: 142,498,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,406,672.71 : 194,206,414.82 = 94,952,107.51 : x
  2. Step 2: Convert to fraction form
    129,406,672.71/194,206,414.82 = 94,952,107.51/x
  3. Step 3: Cross multiply
    129,406,672.71x = 194,206,414.82 × 94,952,107.51
  4. Step 4: Simplify right side
    129,406,672.71x = 18,440,308,378,888,296
  5. Step 5: Solve for x
    x = 18,440,308,378,888,296/129,406,672.71
  6. Step 6: Final answer
    x = 142,498,898.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.