Home / 115,743,333.28-159,653,145.32-68,667,077.76

Finding the Fourth Proportional to 115,743,333.28, 159,653,145.32 and 68,667,077.76

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Solution

The fourth proportional to 115,743,333.28, 159,653,145.32 and 68,667,077.76 is: 94,717,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743,333.28 : 159,653,145.32 = 68,667,077.76 : x
  2. Step 2: Convert to fraction form
    115,743,333.28/159,653,145.32 = 68,667,077.76/x
  3. Step 3: Cross multiply
    115,743,333.28x = 159,653,145.32 × 68,667,077.76
  4. Step 4: Simplify right side
    115,743,333.28x = 10,962,914,944,317,020
  5. Step 5: Solve for x
    x = 10,962,914,944,317,020/115,743,333.28
  6. Step 6: Final answer
    x = 94,717,463.49

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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.