Home / 80,206,741.20-120,310,111.80-19,622,467.20

Finding the Fourth Proportional to 80,206,741.20, 120,310,111.80 and 19,622,467.20

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Solution

The fourth proportional to 80,206,741.20, 120,310,111.80 and 19,622,467.20 is: 29,433,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206,741.20 : 120,310,111.80 = 19,622,467.20 : x
  2. Step 2: Convert to fraction form
    80,206,741.20/120,310,111.80 = 19,622,467.20/x
  3. Step 3: Cross multiply
    80,206,741.20x = 120,310,111.80 × 19,622,467.20
  4. Step 4: Simplify right side
    80,206,741.20x = 2,360,781,222,623,833
  5. Step 5: Solve for x
    x = 2,360,781,222,623,833/80,206,741.20
  6. Step 6: Final answer
    x = 29,433,700.80

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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.