Home / 115,743,440.14-159,653,293.64-68,667,184.39

Finding the Fourth Proportional to 115,743,440.14, 159,653,293.64 and 68,667,184.39

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Solution

The fourth proportional to 115,743,440.14, 159,653,293.64 and 68,667,184.39 is: 94,717,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743,440.14 : 159,653,293.64 = 68,667,184.39 : x
  2. Step 2: Convert to fraction form
    115,743,440.14/159,653,293.64 = 68,667,184.39/x
  3. Step 3: Cross multiply
    115,743,440.14x = 159,653,293.64 × 68,667,184.39
  4. Step 4: Simplify right side
    115,743,440.14x = 10,962,942,152,848,694
  5. Step 5: Solve for x
    x = 10,962,942,152,848,694/115,743,440.14
  6. Step 6: Final answer
    x = 94,717,611.12

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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.