Home / 69,077,313.75-95,335,052.28-39,315,198.42

Finding the Fourth Proportional to 69,077,313.75, 95,335,052.28 and 39,315,198.42

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Solution

The fourth proportional to 69,077,313.75, 95,335,052.28 and 39,315,198.42 is: 54,259,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077,313.75 : 95,335,052.28 = 39,315,198.42 : x
  2. Step 2: Convert to fraction form
    69,077,313.75/95,335,052.28 = 39,315,198.42/x
  3. Step 3: Cross multiply
    69,077,313.75x = 95,335,052.28 × 39,315,198.42
  4. Step 4: Simplify right side
    69,077,313.75x = 3,748,116,496,769,273.50
  5. Step 5: Solve for x
    x = 3,748,116,496,769,273.50/69,077,313.75
  6. Step 6: Final answer
    x = 54,259,731.50

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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.