Home / 144,625,022.11-199,594,839.19-81,912,275.88

Finding the Fourth Proportional to 144,625,022.11, 199,594,839.19 and 81,912,275.88

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Solution

The fourth proportional to 144,625,022.11, 199,594,839.19 and 81,912,275.88 is: 113,045,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625,022.11 : 199,594,839.19 = 81,912,275.88 : x
  2. Step 2: Convert to fraction form
    144,625,022.11/199,594,839.19 = 81,912,275.88/x
  3. Step 3: Cross multiply
    144,625,022.11x = 199,594,839.19 × 81,912,275.88
  4. Step 4: Simplify right side
    144,625,022.11x = 16,349,267,531,955,514
  5. Step 5: Solve for x
    x = 16,349,267,531,955,514/144,625,022.11
  6. Step 6: Final answer
    x = 113,045,912.07

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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.