Home / 87,431,725.28-131,153,887.92-33,579,037.28

Finding the Fourth Proportional to 87,431,725.28, 131,153,887.92 and 33,579,037.28

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Solution

The fourth proportional to 87,431,725.28, 131,153,887.92 and 33,579,037.28 is: 50,370,975.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431,725.28 : 131,153,887.92 = 33,579,037.28 : x
  2. Step 2: Convert to fraction form
    87,431,725.28/131,153,887.92 = 33,579,037.28/x
  3. Step 3: Cross multiply
    87,431,725.28x = 131,153,887.92 × 33,579,037.28
  4. Step 4: Simplify right side
    87,431,725.28x = 4,404,021,291,882,622
  5. Step 5: Solve for x
    x = 4,404,021,291,882,622/87,431,725.28
  6. Step 6: Final answer
    x = 50,370,975.50

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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.