Home / 57,188,359.26-78,920,734.86-31,082,869.26

Finding the Fourth Proportional to 57,188,359.26, 78,920,734.86 and 31,082,869.26

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Solution

The fourth proportional to 57,188,359.26, 78,920,734.86 and 31,082,869.26 is: 42,894,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188,359.26 : 78,920,734.86 = 31,082,869.26 : x
  2. Step 2: Convert to fraction form
    57,188,359.26/78,920,734.86 = 31,082,869.26/x
  3. Step 3: Cross multiply
    57,188,359.26x = 78,920,734.86 × 31,082,869.26
  4. Step 4: Simplify right side
    57,188,359.26x = 2,453,082,883,556,504.50
  5. Step 5: Solve for x
    x = 2,453,082,883,556,504.50/57,188,359.26
  6. Step 6: Final answer
    x = 42,894,793.89

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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.