Home / 51,072,834.64-76,643,952.36-20,786,208.88

Finding the Fourth Proportional to 51,072,834.64, 76,643,952.36 and 20,786,208.88

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Solution

The fourth proportional to 51,072,834.64, 76,643,952.36 and 20,786,208.88 is: 31,193,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072,834.64 : 76,643,952.36 = 20,786,208.88 : x
  2. Step 2: Convert to fraction form
    51,072,834.64/76,643,952.36 = 20,786,208.88/x
  3. Step 3: Cross multiply
    51,072,834.64x = 76,643,952.36 × 20,786,208.88
  4. Step 4: Simplify right side
    51,072,834.64x = 1,593,137,203,143,728.75
  5. Step 5: Solve for x
    x = 1,593,137,203,143,728.75/51,072,834.64
  6. Step 6: Final answer
    x = 31,193,436.09

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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.