Home / 54,270,817.60-81,378,232.80-20,174,612.80

Finding the Fourth Proportional to 54,270,817.60, 81,378,232.80 and 20,174,612.80

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Solution

The fourth proportional to 54,270,817.60, 81,378,232.80 and 20,174,612.80 is: 30,251,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270,817.60 : 81,378,232.80 = 20,174,612.80 : x
  2. Step 2: Convert to fraction form
    54,270,817.60/81,378,232.80 = 20,174,612.80/x
  3. Step 3: Cross multiply
    54,270,817.60x = 81,378,232.80 × 20,174,612.80
  4. Step 4: Simplify right side
    54,270,817.60x = 1,641,774,337,088,259.75
  5. Step 5: Solve for x
    x = 1,641,774,337,088,259.75/54,270,817.60
  6. Step 6: Final answer
    x = 30,251,512.87

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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.