Home / 144,625,025.51-199,594,843.89-81,912,279.28

Finding the Fourth Proportional to 144,625,025.51, 199,594,843.89 and 81,912,279.28

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Solution

The fourth proportional to 144,625,025.51, 199,594,843.89 and 81,912,279.28 is: 113,045,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,625,025.51 : 199,594,843.89 = 81,912,279.28 : x
  2. Step 2: Convert to fraction form
    144,625,025.51/199,594,843.89 = 81,912,279.28/x
  3. Step 3: Cross multiply
    144,625,025.51x = 199,594,843.89 × 81,912,279.28
  4. Step 4: Simplify right side
    144,625,025.51x = 16,349,268,595,066,694
  5. Step 5: Solve for x
    x = 16,349,268,595,066,694/144,625,025.51
  6. Step 6: Final answer
    x = 113,045,916.76

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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.