Home / 101,624,753.38-140,243,435.14-55,215,782.32

Finding the Fourth Proportional to 101,624,753.38, 140,243,435.14 and 55,215,782.32

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Solution

The fourth proportional to 101,624,753.38, 140,243,435.14 and 55,215,782.32 is: 76,198,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,624,753.38 : 140,243,435.14 = 55,215,782.32 : x
  2. Step 2: Convert to fraction form
    101,624,753.38/140,243,435.14 = 55,215,782.32/x
  3. Step 3: Cross multiply
    101,624,753.38x = 140,243,435.14 × 55,215,782.32
  4. Step 4: Simplify right side
    101,624,753.38x = 7,743,650,986,499,278
  5. Step 5: Solve for x
    x = 7,743,650,986,499,278/101,624,753.38
  6. Step 6: Final answer
    x = 76,198,472.61

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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.