Home / 76,122,338.20-105,049,834.48-41,315,445.88

Finding the Fourth Proportional to 76,122,338.20, 105,049,834.48 and 41,315,445.88

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Solution

The fourth proportional to 76,122,338.20, 105,049,834.48 and 41,315,445.88 is: 57,015,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,338.20 : 105,049,834.48 = 41,315,445.88 : x
  2. Step 2: Convert to fraction form
    76,122,338.20/105,049,834.48 = 41,315,445.88/x
  3. Step 3: Cross multiply
    76,122,338.20x = 105,049,834.48 × 41,315,445.88
  4. Step 4: Simplify right side
    76,122,338.20x = 4,340,180,751,161,398.50
  5. Step 5: Solve for x
    x = 4,340,180,751,161,398.50/76,122,338.20
  6. Step 6: Final answer
    x = 57,015,862.28

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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.