Home / 311,912,358.40-467,940,291.36-104,678,269.05

Finding the Fourth Proportional to 311,912,358.40, 467,940,291.36 and 104,678,269.05

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Solution

The fourth proportional to 311,912,358.40, 467,940,291.36 and 104,678,269.05 is: 157,041,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,912,358.40 : 467,940,291.36 = 104,678,269.05 : x
  2. Step 2: Convert to fraction form
    311,912,358.40/467,940,291.36 = 104,678,269.05/x
  3. Step 3: Cross multiply
    311,912,358.40x = 467,940,291.36 × 104,678,269.05
  4. Step 4: Simplify right side
    311,912,358.40x = 48,983,179,717,924,928
  5. Step 5: Solve for x
    x = 48,983,179,717,924,928/311,912,358.40
  6. Step 6: Final answer
    x = 157,041,484.25

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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.