Home / 200,045,412.72-300,121,984.89-102,948,211.44

Finding the Fourth Proportional to 200,045,412.72, 300,121,984.89 and 102,948,211.44

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Solution

The fourth proportional to 200,045,412.72, 300,121,984.89 and 102,948,211.44 is: 154,450,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,045,412.72 : 300,121,984.89 = 102,948,211.44 : x
  2. Step 2: Convert to fraction form
    200,045,412.72/300,121,984.89 = 102,948,211.44/x
  3. Step 3: Cross multiply
    200,045,412.72x = 300,121,984.89 × 102,948,211.44
  4. Step 4: Simplify right side
    200,045,412.72x = 30,897,021,558,248,204
  5. Step 5: Solve for x
    x = 30,897,021,558,248,204/200,045,412.72
  6. Step 6: Final answer
    x = 154,450,037.81

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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.