Home / 51,769,879.22-71,443,928.68-28,566,500.42

Finding the Fourth Proportional to 51,769,879.22, 71,443,928.68 and 28,566,500.42

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Solution

The fourth proportional to 51,769,879.22, 71,443,928.68 and 28,566,500.42 is: 39,422,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769,879.22 : 71,443,928.68 = 28,566,500.42 : x
  2. Step 2: Convert to fraction form
    51,769,879.22/71,443,928.68 = 28,566,500.42/x
  3. Step 3: Cross multiply
    51,769,879.22x = 71,443,928.68 × 28,566,500.42
  4. Step 4: Simplify right side
    51,769,879.22x = 2,040,903,018,643,670.50
  5. Step 5: Solve for x
    x = 2,040,903,018,643,670.50/51,769,879.22
  6. Step 6: Final answer
    x = 39,422,595.71

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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.