Home / 99,150,918.80-148,726,378.20-68,539,917.20

Finding the Fourth Proportional to 99,150,918.80, 148,726,378.20 and 68,539,917.20

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Solution

The fourth proportional to 99,150,918.80, 148,726,378.20 and 68,539,917.20 is: 102,809,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150,918.80 : 148,726,378.20 = 68,539,917.20 : x
  2. Step 2: Convert to fraction form
    99,150,918.80/148,726,378.20 = 68,539,917.20/x
  3. Step 3: Cross multiply
    99,150,918.80x = 148,726,378.20 × 68,539,917.20
  4. Step 4: Simplify right side
    99,150,918.80x = 10,193,693,647,283,884
  5. Step 5: Solve for x
    x = 10,193,693,647,283,884/99,150,918.80
  6. Step 6: Final answer
    x = 102,809,875.80

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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.