Home / 55,628,198-76,765,458.62-30,848,321.74

Finding the Fourth Proportional to 55,628,198, 76,765,458.62 and 30,848,321.74

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Solution

The fourth proportional to 55,628,198, 76,765,458.62 and 30,848,321.74 is: 42,569,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,628,198 : 76,765,458.62 = 30,848,321.74 : x
  2. Step 2: Convert to fraction form
    55,628,198/76,765,458.62 = 30,848,321.74/x
  3. Step 3: Cross multiply
    55,628,198x = 76,765,458.62 × 30,848,321.74
  4. Step 4: Simplify right side
    55,628,198x = 2,368,085,566,028,416.50
  5. Step 5: Solve for x
    x = 2,368,085,566,028,416.50/55,628,198
  6. Step 6: Final answer
    x = 42,569,877.35

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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.