Home / 154,268,612.57-231,398,434.80-45,096,348.65

Finding the Fourth Proportional to 154,268,612.57, 231,398,434.80 and 45,096,348.65

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Solution

The fourth proportional to 154,268,612.57, 231,398,434.80 and 45,096,348.65 is: 67,643,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,268,612.57 : 231,398,434.80 = 45,096,348.65 : x
  2. Step 2: Convert to fraction form
    154,268,612.57/231,398,434.80 = 45,096,348.65/x
  3. Step 3: Cross multiply
    154,268,612.57x = 231,398,434.80 × 45,096,348.65
  4. Step 4: Simplify right side
    154,268,612.57x = 10,435,224,491,648,102
  5. Step 5: Solve for x
    x = 10,435,224,491,648,102/154,268,612.57
  6. Step 6: Final answer
    x = 67,643,212.17

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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.