Home / 101,010,687.72-139,394,790.39-54,600,941.52

Finding the Fourth Proportional to 101,010,687.72, 139,394,790.39 and 54,600,941.52

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Solution

The fourth proportional to 101,010,687.72, 139,394,790.39 and 54,600,941.52 is: 75,349,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,010,687.72 : 139,394,790.39 = 54,600,941.52 : x
  2. Step 2: Convert to fraction form
    101,010,687.72/139,394,790.39 = 54,600,941.52/x
  3. Step 3: Cross multiply
    101,010,687.72x = 139,394,790.39 × 54,600,941.52
  4. Step 4: Simplify right side
    101,010,687.72x = 7,611,086,798,277,048
  5. Step 5: Solve for x
    x = 7,611,086,798,277,048/101,010,687.72
  6. Step 6: Final answer
    x = 75,349,321.64

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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.