Home / 138,846,227.60-191,606,732.43-76,121,574.97

Finding the Fourth Proportional to 138,846,227.60, 191,606,732.43 and 76,121,574.97

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Solution

The fourth proportional to 138,846,227.60, 191,606,732.43 and 76,121,574.97 is: 105,047,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,846,227.60 : 191,606,732.43 = 76,121,574.97 : x
  2. Step 2: Convert to fraction form
    138,846,227.60/191,606,732.43 = 76,121,574.97/x
  3. Step 3: Cross multiply
    138,846,227.60x = 191,606,732.43 × 76,121,574.97
  4. Step 4: Simplify right side
    138,846,227.60x = 14,585,406,247,449,378
  5. Step 5: Solve for x
    x = 14,585,406,247,449,378/138,846,227.60
  6. Step 6: Final answer
    x = 105,047,191.41

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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.