Home / 101,150,396.78-139,587,719.13-54,740,687.00

Finding the Fourth Proportional to 101,150,396.78, 139,587,719.13 and 54,740,687.00

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Solution

The fourth proportional to 101,150,396.78, 139,587,719.13 and 54,740,687.00 is: 75,542,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,150,396.78 : 139,587,719.13 = 54,740,687.00 : x
  2. Step 2: Convert to fraction form
    101,150,396.78/139,587,719.13 = 54,740,687.00/x
  3. Step 3: Cross multiply
    101,150,396.78x = 139,587,719.13 × 54,740,687.00
  4. Step 4: Simplify right side
    101,150,396.78x = 7,641,127,641,241,303
  5. Step 5: Solve for x
    x = 7,641,127,641,241,303/101,150,396.78
  6. Step 6: Final answer
    x = 75,542,240.91

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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.