Home / 45,314,586.28-68,019,422.42-40,160,174.48

Finding the Fourth Proportional to 45,314,586.28, 68,019,422.42 and 40,160,174.48

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Solution

The fourth proportional to 45,314,586.28, 68,019,422.42 and 40,160,174.48 is: 60,282,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314,586.28 : 68,019,422.42 = 40,160,174.48 : x
  2. Step 2: Convert to fraction form
    45,314,586.28/68,019,422.42 = 40,160,174.48/x
  3. Step 3: Cross multiply
    45,314,586.28x = 68,019,422.42 × 40,160,174.48
  4. Step 4: Simplify right side
    45,314,586.28x = 2,731,671,872,215,223
  5. Step 5: Solve for x
    x = 2,731,671,872,215,223/45,314,586.28
  6. Step 6: Final answer
    x = 60,282,396.83

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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.