Home / 300,958,926.72-415,324,789.97-168,806,985.89

Finding the Fourth Proportional to 300,958,926.72, 415,324,789.97 and 168,806,985.89

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Solution

The fourth proportional to 300,958,926.72, 415,324,789.97 and 168,806,985.89 is: 232,954,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,958,926.72 : 415,324,789.97 = 168,806,985.89 : x
  2. Step 2: Convert to fraction form
    300,958,926.72/415,324,789.97 = 168,806,985.89/x
  3. Step 3: Cross multiply
    300,958,926.72x = 415,324,789.97 × 168,806,985.89
  4. Step 4: Simplify right side
    300,958,926.72x = 70,109,725,957,312,336
  5. Step 5: Solve for x
    x = 70,109,725,957,312,336/300,958,926.72
  6. Step 6: Final answer
    x = 232,954,465.65

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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.