Home / 399,480,403.25-599,220,604.88-112,266,067.25

Finding the Fourth Proportional to 399,480,403.25, 599,220,604.88 and 112,266,067.25

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Solution

The fourth proportional to 399,480,403.25, 599,220,604.88 and 112,266,067.25 is: 168,399,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,403.25 : 599,220,604.88 = 112,266,067.25 : x
  2. Step 2: Convert to fraction form
    399,480,403.25/599,220,604.88 = 112,266,067.25/x
  3. Step 3: Cross multiply
    399,480,403.25x = 599,220,604.88 × 112,266,067.25
  4. Step 4: Simplify right side
    399,480,403.25x = 67,272,140,725,043,760
  5. Step 5: Solve for x
    x = 67,272,140,725,043,760/399,480,403.25
  6. Step 6: Final answer
    x = 168,399,100.88

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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.