Home / 144,488,949.32-199,399,185.92-84,939,324.56

Finding the Fourth Proportional to 144,488,949.32, 199,399,185.92 and 84,939,324.56

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Solution

The fourth proportional to 144,488,949.32, 199,399,185.92 and 84,939,324.56 is: 117,218,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,488,949.32 : 199,399,185.92 = 84,939,324.56 : x
  2. Step 2: Convert to fraction form
    144,488,949.32/199,399,185.92 = 84,939,324.56/x
  3. Step 3: Cross multiply
    144,488,949.32x = 199,399,185.92 × 84,939,324.56
  4. Step 4: Simplify right side
    144,488,949.32x = 16,936,832,169,858,662
  5. Step 5: Solve for x
    x = 16,936,832,169,858,662/144,488,949.32
  6. Step 6: Final answer
    x = 117,218,875.56

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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.