Home / 298,572,523.67-412,031,994.84-166,421,899.14

Finding the Fourth Proportional to 298,572,523.67, 412,031,994.84 and 166,421,899.14

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Solution

The fourth proportional to 298,572,523.67, 412,031,994.84 and 166,421,899.14 is: 229,663,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,572,523.67 : 412,031,994.84 = 166,421,899.14 : x
  2. Step 2: Convert to fraction form
    298,572,523.67/412,031,994.84 = 166,421,899.14/x
  3. Step 3: Cross multiply
    298,572,523.67x = 412,031,994.84 × 166,421,899.14
  4. Step 4: Simplify right side
    298,572,523.67x = 68,571,147,086,170,352
  5. Step 5: Solve for x
    x = 68,571,147,086,170,352/298,572,523.67
  6. Step 6: Final answer
    x = 229,663,286.64

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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.