Home / 99,150,912.30-148,726,368.45-68,539,910.70

Finding the Fourth Proportional to 99,150,912.30, 148,726,368.45 and 68,539,910.70

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Solution

The fourth proportional to 99,150,912.30, 148,726,368.45 and 68,539,910.70 is: 102,809,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150,912.30 : 148,726,368.45 = 68,539,910.70 : x
  2. Step 2: Convert to fraction form
    99,150,912.30/148,726,368.45 = 68,539,910.70/x
  3. Step 3: Cross multiply
    99,150,912.30x = 148,726,368.45 × 68,539,910.70
  4. Step 4: Simplify right side
    99,150,912.30x = 10,193,692,012,298,298
  5. Step 5: Solve for x
    x = 10,193,692,012,298,298/99,150,912.30
  6. Step 6: Final answer
    x = 102,809,866.05

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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.