Home / 298,027,931.30-447,552,002.55-161,979,035.30

Finding the Fourth Proportional to 298,027,931.30, 447,552,002.55 and 161,979,035.30

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Solution

The fourth proportional to 298,027,931.30, 447,552,002.55 and 161,979,035.30 is: 243,245,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,027,931.30 : 447,552,002.55 = 161,979,035.30 : x
  2. Step 2: Convert to fraction form
    298,027,931.30/447,552,002.55 = 161,979,035.30/x
  3. Step 3: Cross multiply
    298,027,931.30x = 447,552,002.55 × 161,979,035.30
  4. Step 4: Simplify right side
    298,027,931.30x = 72,494,041,619,632,144
  5. Step 5: Solve for x
    x = 72,494,041,619,632,144/298,027,931.30
  6. Step 6: Final answer
    x = 243,245,796.81

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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.