Home / 115,743,470.01-159,653,334.87-68,667,214.28

Finding the Fourth Proportional to 115,743,470.01, 159,653,334.87 and 68,667,214.28

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Solution

The fourth proportional to 115,743,470.01, 159,653,334.87 and 68,667,214.28 is: 94,717,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743,470.01 : 159,653,334.87 = 68,667,214.28 : x
  2. Step 2: Convert to fraction form
    115,743,470.01/159,653,334.87 = 68,667,214.28/x
  3. Step 3: Cross multiply
    115,743,470.01x = 159,653,334.87 × 68,667,214.28
  4. Step 4: Simplify right side
    115,743,470.01x = 10,962,949,755,236,620
  5. Step 5: Solve for x
    x = 10,962,949,755,236,620/115,743,470.01
  6. Step 6: Final answer
    x = 94,717,652.36

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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.