Home / 212,675,195.70-319,012,793.55-136,084,706.10

Finding the Fourth Proportional to 212,675,195.70, 319,012,793.55 and 136,084,706.10

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Solution

The fourth proportional to 212,675,195.70, 319,012,793.55 and 136,084,706.10 is: 204,127,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,675,195.70 : 319,012,793.55 = 136,084,706.10 : x
  2. Step 2: Convert to fraction form
    212,675,195.70/319,012,793.55 = 136,084,706.10/x
  3. Step 3: Cross multiply
    212,675,195.70x = 319,012,793.55 × 136,084,706.10
  4. Step 4: Simplify right side
    212,675,195.70x = 43,412,762,252,391,728
  5. Step 5: Solve for x
    x = 43,412,762,252,391,728/212,675,195.70
  6. Step 6: Final answer
    x = 204,127,059.15

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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.