Home / 96,782,083.20-145,005,163.20-81,665,539.20

Finding the Fourth Proportional to 96,782,083.20, 145,005,163.20 and 81,665,539.20

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Solution

The fourth proportional to 96,782,083.20, 145,005,163.20 and 81,665,539.20 is: 122,356,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,782,083.20 : 145,005,163.20 = 81,665,539.20 : x
  2. Step 2: Convert to fraction form
    96,782,083.20/145,005,163.20 = 81,665,539.20/x
  3. Step 3: Cross multiply
    96,782,083.20x = 145,005,163.20 × 81,665,539.20
  4. Step 4: Simplify right side
    96,782,083.20x = 11,841,924,839,511,996
  5. Step 5: Solve for x
    x = 11,841,924,839,511,996/96,782,083.20
  6. Step 6: Final answer
    x = 122,356,581.38

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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.