Home / 51,538,378.08-71,123,007.24-28,333,899.84

Finding the Fourth Proportional to 51,538,378.08, 71,123,007.24 and 28,333,899.84

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Solution

The fourth proportional to 51,538,378.08, 71,123,007.24 and 28,333,899.84 is: 39,100,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538,378.08 : 71,123,007.24 = 28,333,899.84 : x
  2. Step 2: Convert to fraction form
    51,538,378.08/71,123,007.24 = 28,333,899.84/x
  3. Step 3: Cross multiply
    51,538,378.08x = 71,123,007.24 × 28,333,899.84
  4. Step 4: Simplify right side
    51,538,378.08x = 2,015,192,163,457,754.75
  5. Step 5: Solve for x
    x = 2,015,192,163,457,754.75/51,538,378.08
  6. Step 6: Final answer
    x = 39,100,806.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.