Home / 216,206,383.84-324,826,954.60-138,635,267.20

Finding the Fourth Proportional to 216,206,383.84, 324,826,954.60 and 138,635,267.20

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Solution

The fourth proportional to 216,206,383.84, 324,826,954.60 and 138,635,267.20 is: 208,284,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,383.84 : 324,826,954.60 = 138,635,267.20 : x
  2. Step 2: Convert to fraction form
    216,206,383.84/324,826,954.60 = 138,635,267.20/x
  3. Step 3: Cross multiply
    216,206,383.84x = 324,826,954.60 × 138,635,267.20
  4. Step 4: Simplify right side
    216,206,383.84x = 45,032,471,644,733,272
  5. Step 5: Solve for x
    x = 45,032,471,644,733,272/216,206,383.84
  6. Step 6: Final answer
    x = 208,284,653.05

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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.