Home / 69,005,380.80-103,420,153.80-36,672,772.80

Finding the Fourth Proportional to 69,005,380.80, 103,420,153.80 and 36,672,772.80

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Solution

The fourth proportional to 69,005,380.80, 103,420,153.80 and 36,672,772.80 is: 54,962,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,005,380.80 : 103,420,153.80 = 36,672,772.80 : x
  2. Step 2: Convert to fraction form
    69,005,380.80/103,420,153.80 = 36,672,772.80/x
  3. Step 3: Cross multiply
    69,005,380.80x = 103,420,153.80 × 36,672,772.80
  4. Step 4: Simplify right side
    69,005,380.80x = 3,792,703,803,248,456
  5. Step 5: Solve for x
    x = 3,792,703,803,248,456/69,005,380.80
  6. Step 6: Final answer
    x = 54,962,435.67

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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.