Home / 132,102,325.20-198,153,487.80-45,831,736.20

Finding the Fourth Proportional to 132,102,325.20, 198,153,487.80 and 45,831,736.20

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Solution

The fourth proportional to 132,102,325.20, 198,153,487.80 and 45,831,736.20 is: 68,747,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,325.20 : 198,153,487.80 = 45,831,736.20 : x
  2. Step 2: Convert to fraction form
    132,102,325.20/198,153,487.80 = 45,831,736.20/x
  3. Step 3: Cross multiply
    132,102,325.20x = 198,153,487.80 × 45,831,736.20
  4. Step 4: Simplify right side
    132,102,325.20x = 9,081,718,379,959,520
  5. Step 5: Solve for x
    x = 9,081,718,379,959,520/132,102,325.20
  6. Step 6: Final answer
    x = 68,747,604.30

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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.