Home / 54,519,789.20-81,710,218.20-28,973,037.20

Finding the Fourth Proportional to 54,519,789.20, 81,710,218.20 and 28,973,037.20

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Solution

The fourth proportional to 54,519,789.20, 81,710,218.20 and 28,973,037.20 is: 43,422,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519,789.20 : 81,710,218.20 = 28,973,037.20 : x
  2. Step 2: Convert to fraction form
    54,519,789.20/81,710,218.20 = 28,973,037.20/x
  3. Step 3: Cross multiply
    54,519,789.20x = 81,710,218.20 × 28,973,037.20
  4. Step 4: Simplify right side
    54,519,789.20x = 2,367,393,191,528,717
  5. Step 5: Solve for x
    x = 2,367,393,191,528,717/54,519,789.20
  6. Step 6: Final answer
    x = 43,422,640.22

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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.