Home / 90,234,981.06-135,336,471.83-41,039,311.21

Finding the Fourth Proportional to 90,234,981.06, 135,336,471.83 and 41,039,311.21

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Solution

The fourth proportional to 90,234,981.06, 135,336,471.83 and 41,039,311.21 is: 61,551,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234,981.06 : 135,336,471.83 = 41,039,311.21 : x
  2. Step 2: Convert to fraction form
    90,234,981.06/135,336,471.83 = 41,039,311.21/x
  3. Step 3: Cross multiply
    90,234,981.06x = 135,336,471.83 × 41,039,311.21
  4. Step 4: Simplify right side
    90,234,981.06x = 5,554,115,585,808,940
  5. Step 5: Solve for x
    x = 5,554,115,585,808,940/90,234,981.06
  6. Step 6: Final answer
    x = 61,551,690.05

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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.