Home / 207,586,300.10-311,379,450.15-131,145,109.70

Finding the Fourth Proportional to 207,586,300.10, 311,379,450.15 and 131,145,109.70

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Solution

The fourth proportional to 207,586,300.10, 311,379,450.15 and 131,145,109.70 is: 196,717,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,586,300.10 : 311,379,450.15 = 131,145,109.70 : x
  2. Step 2: Convert to fraction form
    207,586,300.10/311,379,450.15 = 131,145,109.70/x
  3. Step 3: Cross multiply
    207,586,300.10x = 311,379,450.15 × 131,145,109.70
  4. Step 4: Simplify right side
    207,586,300.10x = 40,835,892,148,247,432
  5. Step 5: Solve for x
    x = 40,835,892,148,247,432/207,586,300.10
  6. Step 6: Final answer
    x = 196,717,664.55

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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.