Home / 202,464,766.85-279,399,987.24-109,643,150.57

Finding the Fourth Proportional to 202,464,766.85, 279,399,987.24 and 109,643,150.57

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Solution

The fourth proportional to 202,464,766.85, 279,399,987.24 and 109,643,150.57 is: 151,306,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464,766.85 : 279,399,987.24 = 109,643,150.57 : x
  2. Step 2: Convert to fraction form
    202,464,766.85/279,399,987.24 = 109,643,150.57/x
  3. Step 3: Cross multiply
    202,464,766.85x = 279,399,987.24 × 109,643,150.57
  4. Step 4: Simplify right side
    202,464,766.85x = 30,634,294,868,814,400
  5. Step 5: Solve for x
    x = 30,634,294,868,814,400/202,464,766.85
  6. Step 6: Final answer
    x = 151,306,794.49

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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.