Home / 90,686,703.92-135,949,508.52-35,341,719.16

Finding the Fourth Proportional to 90,686,703.92, 135,949,508.52 and 35,341,719.16

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Solution

The fourth proportional to 90,686,703.92, 135,949,508.52 and 35,341,719.16 is: 52,981,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,686,703.92 : 135,949,508.52 = 35,341,719.16 : x
  2. Step 2: Convert to fraction form
    90,686,703.92/135,949,508.52 = 35,341,719.16/x
  3. Step 3: Cross multiply
    90,686,703.92x = 135,949,508.52 × 35,341,719.16
  4. Step 4: Simplify right side
    90,686,703.92x = 4,804,689,350,053,867
  5. Step 5: Solve for x
    x = 4,804,689,350,053,867/90,686,703.92
  6. Step 6: Final answer
    x = 52,981,188.45

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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.