Home / 86,478,429.03-119,342,908.94-47,321,856.15

Finding the Fourth Proportional to 86,478,429.03, 119,342,908.94 and 47,321,856.15

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Solution

The fourth proportional to 86,478,429.03, 119,342,908.94 and 47,321,856.15 is: 65,305,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478,429.03 : 119,342,908.94 = 47,321,856.15 : x
  2. Step 2: Convert to fraction form
    86,478,429.03/119,342,908.94 = 47,321,856.15/x
  3. Step 3: Cross multiply
    86,478,429.03x = 119,342,908.94 × 47,321,856.15
  4. Step 4: Simplify right side
    86,478,429.03x = 5,647,527,969,381,229
  5. Step 5: Solve for x
    x = 5,647,527,969,381,229/86,478,429.03
  6. Step 6: Final answer
    x = 65,305,626.30

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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.