Home / 90,234,993.42-135,336,490.40-41,039,323.61

Finding the Fourth Proportional to 90,234,993.42, 135,336,490.40 and 41,039,323.61

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Solution

The fourth proportional to 90,234,993.42, 135,336,490.40 and 41,039,323.61 is: 61,551,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234,993.42 : 135,336,490.40 = 41,039,323.61 : x
  2. Step 2: Convert to fraction form
    90,234,993.42/135,336,490.40 = 41,039,323.61/x
  3. Step 3: Cross multiply
    90,234,993.42x = 135,336,490.40 × 41,039,323.61
  4. Step 4: Simplify right side
    90,234,993.42x = 5,554,118,025,193,174
  5. Step 5: Solve for x
    x = 5,554,118,025,193,174/90,234,993.42
  6. Step 6: Final answer
    x = 61,551,708.65

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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.