Home / 311,912,360.65-467,940,294.74-104,678,271.30

Finding the Fourth Proportional to 311,912,360.65, 467,940,294.74 and 104,678,271.30

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Solution

The fourth proportional to 311,912,360.65, 467,940,294.74 and 104,678,271.30 is: 157,041,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,912,360.65 : 467,940,294.74 = 104,678,271.30 : x
  2. Step 2: Convert to fraction form
    311,912,360.65/467,940,294.74 = 104,678,271.30/x
  3. Step 3: Cross multiply
    311,912,360.65x = 467,940,294.74 × 104,678,271.30
  4. Step 4: Simplify right side
    311,912,360.65x = 48,983,181,124,472,288
  5. Step 5: Solve for x
    x = 48,983,181,124,472,288/311,912,360.65
  6. Step 6: Final answer
    x = 157,041,487.62

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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.