Home / 298,820,674.65-412,373,081.28-166,670,189.03

Finding the Fourth Proportional to 298,820,674.65, 412,373,081.28 and 166,670,189.03

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Solution

The fourth proportional to 298,820,674.65, 412,373,081.28 and 166,670,189.03 is: 230,005,167.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,820,674.65 : 412,373,081.28 = 166,670,189.03 : x
  2. Step 2: Convert to fraction form
    298,820,674.65/412,373,081.28 = 166,670,189.03/x
  3. Step 3: Cross multiply
    298,820,674.65x = 412,373,081.28 × 166,670,189.03
  4. Step 4: Simplify right side
    298,820,674.65x = 68,730,299,409,477,096
  5. Step 5: Solve for x
    x = 68,730,299,409,477,096/298,820,674.65
  6. Step 6: Final answer
    x = 230,005,167.78

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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.