Home / 143,987,647.28-215,991,048.14-50,603,324.56

Finding the Fourth Proportional to 143,987,647.28, 215,991,048.14 and 50,603,324.56

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Solution

The fourth proportional to 143,987,647.28, 215,991,048.14 and 50,603,324.56 is: 75,908,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,987,647.28 : 215,991,048.14 = 50,603,324.56 : x
  2. Step 2: Convert to fraction form
    143,987,647.28/215,991,048.14 = 50,603,324.56/x
  3. Step 3: Cross multiply
    143,987,647.28x = 215,991,048.14 × 50,603,324.56
  4. Step 4: Simplify right side
    143,987,647.28x = 10,929,865,111,083,004
  5. Step 5: Solve for x
    x = 10,929,865,111,083,004/143,987,647.28
  6. Step 6: Final answer
    x = 75,908,352.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.