Home / 50,831,578.62-76,202,648.91-20,147,695.83

Finding the Fourth Proportional to 50,831,578.62, 76,202,648.91 and 20,147,695.83

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Solution

The fourth proportional to 50,831,578.62, 76,202,648.91 and 20,147,695.83 is: 30,203,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831,578.62 : 76,202,648.91 = 20,147,695.83 : x
  2. Step 2: Convert to fraction form
    50,831,578.62/76,202,648.91 = 20,147,695.83/x
  3. Step 3: Cross multiply
    50,831,578.62x = 76,202,648.91 × 20,147,695.83
  4. Step 4: Simplify right side
    50,831,578.62x = 1,535,307,791,678,960.75
  5. Step 5: Solve for x
    x = 1,535,307,791,678,960.75/50,831,578.62
  6. Step 6: Final answer
    x = 30,203,818.83

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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.