Home / 200,618,634.60-300,926,635.74-55,040,809.32

Finding the Fourth Proportional to 200,618,634.60, 300,926,635.74 and 55,040,809.32

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Solution

The fourth proportional to 200,618,634.60, 300,926,635.74 and 55,040,809.32 is: 82,560,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,618,634.60 : 300,926,635.74 = 55,040,809.32 : x
  2. Step 2: Convert to fraction form
    200,618,634.60/300,926,635.74 = 55,040,809.32/x
  3. Step 3: Cross multiply
    200,618,634.60x = 300,926,635.74 × 55,040,809.32
  4. Step 4: Simplify right side
    200,618,634.60x = 16,563,245,577,074,438
  5. Step 5: Solve for x
    x = 16,563,245,577,074,438/200,618,634.60
  6. Step 6: Final answer
    x = 82,560,852.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.