Home / 131,147,811.38-196,783,148.39-64,637,982.38

Finding the Fourth Proportional to 131,147,811.38, 196,783,148.39 and 64,637,982.38

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Solution

The fourth proportional to 131,147,811.38, 196,783,148.39 and 64,637,982.38 is: 96,987,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,147,811.38 : 196,783,148.39 = 64,637,982.38 : x
  2. Step 2: Convert to fraction form
    131,147,811.38/196,783,148.39 = 64,637,982.38/x
  3. Step 3: Cross multiply
    131,147,811.38x = 196,783,148.39 × 64,637,982.38
  4. Step 4: Simplify right side
    131,147,811.38x = 12,719,665,678,482,512
  5. Step 5: Solve for x
    x = 12,719,665,678,482,512/131,147,811.38
  6. Step 6: Final answer
    x = 96,987,250.83

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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.