Home / 81,765,998.04-122,665,924.44-33,243,860.10

Finding the Fourth Proportional to 81,765,998.04, 122,665,924.44 and 33,243,860.10

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Solution

The fourth proportional to 81,765,998.04, 122,665,924.44 and 33,243,860.10 is: 49,872,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765,998.04 : 122,665,924.44 = 33,243,860.10 : x
  2. Step 2: Convert to fraction form
    81,765,998.04/122,665,924.44 = 33,243,860.10/x
  3. Step 3: Cross multiply
    81,765,998.04x = 122,665,924.44 × 33,243,860.10
  4. Step 4: Simplify right side
    81,765,998.04x = 4,077,888,831,120,531
  5. Step 5: Solve for x
    x = 4,077,888,831,120,531/81,765,998.04
  6. Step 6: Final answer
    x = 49,872,672.37

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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.