Home / 86,914,992.82-130,244,885.06-43,724,833.78

Finding the Fourth Proportional to 86,914,992.82, 130,244,885.06 and 43,724,833.78

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Solution

The fourth proportional to 86,914,992.82, 130,244,885.06 and 43,724,833.78 is: 65,523,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914,992.82 : 130,244,885.06 = 43,724,833.78 : x
  2. Step 2: Convert to fraction form
    86,914,992.82/130,244,885.06 = 43,724,833.78/x
  3. Step 3: Cross multiply
    86,914,992.82x = 130,244,885.06 × 43,724,833.78
  4. Step 4: Simplify right side
    86,914,992.82x = 5,694,935,949,943,706
  5. Step 5: Solve for x
    x = 5,694,935,949,943,706/86,914,992.82
  6. Step 6: Final answer
    x = 65,523,056.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.