Home / 115,743,747.88-159,653,718.34-68,667,492.14

Finding the Fourth Proportional to 115,743,747.88, 159,653,718.34 and 68,667,492.14

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Solution

The fourth proportional to 115,743,747.88, 159,653,718.34 and 68,667,492.14 is: 94,718,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743,747.88 : 159,653,718.34 = 68,667,492.14 : x
  2. Step 2: Convert to fraction form
    115,743,747.88/159,653,718.34 = 68,667,492.14/x
  3. Step 3: Cross multiply
    115,743,747.88x = 159,653,718.34 × 68,667,492.14
  4. Step 4: Simplify right side
    115,743,747.88x = 10,963,020,449,233,724
  5. Step 5: Solve for x
    x = 10,963,020,449,233,724/115,743,747.88
  6. Step 6: Final answer
    x = 94,718,035.75

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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.