Home / 77,768,122.13-107,323,268.89-44,728,380.48

Finding the Fourth Proportional to 77,768,122.13, 107,323,268.89 and 44,728,380.48

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Solution

The fourth proportional to 77,768,122.13, 107,323,268.89 and 44,728,380.48 is: 61,727,040.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768,122.13 : 107,323,268.89 = 44,728,380.48 : x
  2. Step 2: Convert to fraction form
    77,768,122.13/107,323,268.89 = 44,728,380.48/x
  3. Step 3: Cross multiply
    77,768,122.13x = 107,323,268.89 × 44,728,380.48
  4. Step 4: Simplify right side
    77,768,122.13x = 4,800,396,005,269,267
  5. Step 5: Solve for x
    x = 4,800,396,005,269,267/77,768,122.13
  6. Step 6: Final answer
    x = 61,727,040.26

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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.