Home / 256,432,470.32-384,651,660.36-92,682,662.96

Finding the Fourth Proportional to 256,432,470.32, 384,651,660.36 and 92,682,662.96

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Solution

The fourth proportional to 256,432,470.32, 384,651,660.36 and 92,682,662.96 is: 139,025,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,432,470.32 : 384,651,660.36 = 92,682,662.96 : x
  2. Step 2: Convert to fraction form
    256,432,470.32/384,651,660.36 = 92,682,662.96/x
  3. Step 3: Cross multiply
    256,432,470.32x = 384,651,660.36 × 92,682,662.96
  4. Step 4: Simplify right side
    256,432,470.32x = 35,650,540,195,459,460
  5. Step 5: Solve for x
    x = 35,650,540,195,459,460/256,432,470.32
  6. Step 6: Final answer
    x = 139,025,062.43

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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.