Home / 144,324,922.05-199,197,326.94-85,620,172.05

Finding the Fourth Proportional to 144,324,922.05, 199,197,326.94 and 85,620,172.05

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Solution

The fourth proportional to 144,324,922.05, 199,197,326.94 and 85,620,172.05 is: 118,173,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,324,922.05 : 199,197,326.94 = 85,620,172.05 : x
  2. Step 2: Convert to fraction form
    144,324,922.05/199,197,326.94 = 85,620,172.05/x
  3. Step 3: Cross multiply
    144,324,922.05x = 199,197,326.94 × 85,620,172.05
  4. Step 4: Simplify right side
    144,324,922.05x = 17,055,309,404,502,900
  5. Step 5: Solve for x
    x = 17,055,309,404,502,900/144,324,922.05
  6. Step 6: Final answer
    x = 118,173,002.71

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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.