Home / 262,268,941.32-393,398,010.66-87,404,671.74

Finding the Fourth Proportional to 262,268,941.32, 393,398,010.66 and 87,404,671.74

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Solution

The fourth proportional to 262,268,941.32, 393,398,010.66 and 87,404,671.74 is: 131,105,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,268,941.32 : 393,398,010.66 = 87,404,671.74 : x
  2. Step 2: Convert to fraction form
    262,268,941.32/393,398,010.66 = 87,404,671.74/x
  3. Step 3: Cross multiply
    262,268,941.32x = 393,398,010.66 × 87,404,671.74
  4. Step 4: Simplify right side
    262,268,941.32x = 34,384,823,984,906,320
  5. Step 5: Solve for x
    x = 34,384,823,984,906,320/262,268,941.32
  6. Step 6: Final answer
    x = 131,105,207.55

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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.