Home / 56,751,515.08-78,235,125.50-40,425,647.56

Finding the Fourth Proportional to 56,751,515.08, 78,235,125.50 and 40,425,647.56

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Solution

The fourth proportional to 56,751,515.08, 78,235,125.50 and 40,425,647.56 is: 55,729,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,751,515.08 : 78,235,125.50 = 40,425,647.56 : x
  2. Step 2: Convert to fraction form
    56,751,515.08/78,235,125.50 = 40,425,647.56/x
  3. Step 3: Cross multiply
    56,751,515.08x = 78,235,125.50 × 40,425,647.56
  4. Step 4: Simplify right side
    56,751,515.08x = 3,162,705,610,180,845
  5. Step 5: Solve for x
    x = 3,162,705,610,180,845/56,751,515.08
  6. Step 6: Final answer
    x = 55,729,007.51

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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.