Home / 155,400,637.28-214,451,788.48-84,836,247.48

Finding the Fourth Proportional to 155,400,637.28, 214,451,788.48 and 84,836,247.48

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Solution

The fourth proportional to 155,400,637.28, 214,451,788.48 and 84,836,247.48 is: 117,073,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,400,637.28 : 214,451,788.48 = 84,836,247.48 : x
  2. Step 2: Convert to fraction form
    155,400,637.28/214,451,788.48 = 84,836,247.48/x
  3. Step 3: Cross multiply
    155,400,637.28x = 214,451,788.48 × 84,836,247.48
  4. Step 4: Simplify right side
    155,400,637.28x = 18,193,285,000,017,892
  5. Step 5: Solve for x
    x = 18,193,285,000,017,892/155,400,637.28
  6. Step 6: Final answer
    x = 117,073,425.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.