Home / 54,128,426.80-81,192,640.20-50,939,780.80

Finding the Fourth Proportional to 54,128,426.80, 81,192,640.20 and 50,939,780.80

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Solution

The fourth proportional to 54,128,426.80, 81,192,640.20 and 50,939,780.80 is: 76,409,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,426.80 : 81,192,640.20 = 50,939,780.80 : x
  2. Step 2: Convert to fraction form
    54,128,426.80/81,192,640.20 = 50,939,780.80/x
  3. Step 3: Cross multiply
    54,128,426.80x = 81,192,640.20 × 50,939,780.80
  4. Step 4: Simplify right side
    54,128,426.80x = 4,135,935,294,361,268
  5. Step 5: Solve for x
    x = 4,135,935,294,361,268/54,128,426.80
  6. Step 6: Final answer
    x = 76,409,671.20

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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.