Home / 80,303,849.36-120,388,057.56-34,831,408.40

Finding the Fourth Proportional to 80,303,849.36, 120,388,057.56 and 34,831,408.40

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Solution

The fourth proportional to 80,303,849.36, 120,388,057.56 and 34,831,408.40 is: 52,217,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,303,849.36 : 120,388,057.56 = 34,831,408.40 : x
  2. Step 2: Convert to fraction form
    80,303,849.36/120,388,057.56 = 34,831,408.40/x
  3. Step 3: Cross multiply
    80,303,849.36x = 120,388,057.56 × 34,831,408.40
  4. Step 4: Simplify right side
    80,303,849.36x = 4,193,285,599,355,067.50
  5. Step 5: Solve for x
    x = 4,193,285,599,355,067.50/80,303,849.36
  6. Step 6: Final answer
    x = 52,217,740.90

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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.