Home / 115,835,300.56-159,863,815.92-66,265,832.08

Finding the Fourth Proportional to 115,835,300.56, 159,863,815.92 and 66,265,832.08

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Solution

The fourth proportional to 115,835,300.56, 159,863,815.92 and 66,265,832.08 is: 91,453,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,835,300.56 : 159,863,815.92 = 66,265,832.08 : x
  2. Step 2: Convert to fraction form
    115,835,300.56/159,863,815.92 = 66,265,832.08/x
  3. Step 3: Cross multiply
    115,835,300.56x = 159,863,815.92 × 66,265,832.08
  4. Step 4: Simplify right side
    115,835,300.56x = 10,593,508,781,422,750
  5. Step 5: Solve for x
    x = 10,593,508,781,422,750/115,835,300.56
  6. Step 6: Final answer
    x = 91,453,198.90

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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.