Home / 54,376,811.20-81,565,216.80-38,221,004.80

Finding the Fourth Proportional to 54,376,811.20, 81,565,216.80 and 38,221,004.80

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Solution

The fourth proportional to 54,376,811.20, 81,565,216.80 and 38,221,004.80 is: 57,331,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376,811.20 : 81,565,216.80 = 38,221,004.80 : x
  2. Step 2: Convert to fraction form
    54,376,811.20/81,565,216.80 = 38,221,004.80/x
  3. Step 3: Cross multiply
    54,376,811.20x = 81,565,216.80 × 38,221,004.80
  4. Step 4: Simplify right side
    54,376,811.20x = 3,117,504,542,825,840.50
  5. Step 5: Solve for x
    x = 3,117,504,542,825,840.50/54,376,811.20
  6. Step 6: Final answer
    x = 57,331,507.20

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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.