Home / 75,899,310.25-113,855,913.27-21,311,527.94

Finding the Fourth Proportional to 75,899,310.25, 113,855,913.27 and 21,311,527.94

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Solution

The fourth proportional to 75,899,310.25, 113,855,913.27 and 21,311,527.94 is: 31,969,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899,310.25 : 113,855,913.27 = 21,311,527.94 : x
  2. Step 2: Convert to fraction form
    75,899,310.25/113,855,913.27 = 21,311,527.94/x
  3. Step 3: Cross multiply
    75,899,310.25x = 113,855,913.27 × 21,311,527.94
  4. Step 4: Simplify right side
    75,899,310.25x = 2,426,443,476,787,822
  5. Step 5: Solve for x
    x = 2,426,443,476,787,822/75,899,310.25
  6. Step 6: Final answer
    x = 31,969,242.79

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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.