Home / 298,935,680.69-412,530,630.35-166,768,795.11

Finding the Fourth Proportional to 298,935,680.69, 412,530,630.35 and 166,768,795.11

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Solution

The fourth proportional to 298,935,680.69, 412,530,630.35 and 166,768,795.11 is: 230,140,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,680.69 : 412,530,630.35 = 166,768,795.11 : x
  2. Step 2: Convert to fraction form
    298,935,680.69/412,530,630.35 = 166,768,795.11/x
  3. Step 3: Cross multiply
    298,935,680.69x = 412,530,630.35 × 166,768,795.11
  4. Step 4: Simplify right side
    298,935,680.69x = 68,797,236,170,151,456
  5. Step 5: Solve for x
    x = 68,797,236,170,151,456/298,935,680.69
  6. Step 6: Final answer
    x = 230,140,597.51

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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.