Home / 298,027,905.80-447,551,964.30-161,979,009.80

Finding the Fourth Proportional to 298,027,905.80, 447,551,964.30 and 161,979,009.80

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Solution

The fourth proportional to 298,027,905.80, 447,551,964.30 and 161,979,009.80 is: 243,245,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,027,905.80 : 447,551,964.30 = 161,979,009.80 : x
  2. Step 2: Convert to fraction form
    298,027,905.80/447,551,964.30 = 161,979,009.80/x
  3. Step 3: Cross multiply
    298,027,905.80x = 447,551,964.30 × 161,979,009.80
  4. Step 4: Simplify right side
    298,027,905.80x = 72,494,024,011,358,960
  5. Step 5: Solve for x
    x = 72,494,024,011,358,960/298,027,905.80
  6. Step 6: Final answer
    x = 243,245,758.54

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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.