Home / 80,433,179.89-120,555,291.40-37,211,083.36

Finding the Fourth Proportional to 80,433,179.89, 120,555,291.40 and 37,211,083.36

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Solution

The fourth proportional to 80,433,179.89, 120,555,291.40 and 37,211,083.36 is: 55,772,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,433,179.89 : 120,555,291.40 = 37,211,083.36 : x
  2. Step 2: Convert to fraction form
    80,433,179.89/120,555,291.40 = 37,211,083.36/x
  3. Step 3: Cross multiply
    80,433,179.89x = 120,555,291.40 × 37,211,083.36
  4. Step 4: Simplify right side
    80,433,179.89x = 4,485,992,997,380,075
  5. Step 5: Solve for x
    x = 4,485,992,997,380,075/80,433,179.89
  6. Step 6: Final answer
    x = 55,772,916.15

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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.