Home / 80,083,482.37-120,113,086.19-21,795,702.49

Finding the Fourth Proportional to 80,083,482.37, 120,113,086.19 and 21,795,702.49

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Solution

The fourth proportional to 80,083,482.37, 120,113,086.19 and 21,795,702.49 is: 32,690,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,083,482.37 : 120,113,086.19 = 21,795,702.49 : x
  2. Step 2: Convert to fraction form
    80,083,482.37/120,113,086.19 = 21,795,702.49/x
  3. Step 3: Cross multiply
    80,083,482.37x = 120,113,086.19 × 21,795,702.49
  4. Step 4: Simplify right side
    80,083,482.37x = 2,617,949,092,431,136
  5. Step 5: Solve for x
    x = 2,617,949,092,431,136/80,083,482.37
  6. Step 6: Final answer
    x = 32,690,250.41

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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.