Home / 99,150,917.80-148,726,376.70-68,539,916.20

Finding the Fourth Proportional to 99,150,917.80, 148,726,376.70 and 68,539,916.20

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Solution

The fourth proportional to 99,150,917.80, 148,726,376.70 and 68,539,916.20 is: 102,809,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150,917.80 : 148,726,376.70 = 68,539,916.20 : x
  2. Step 2: Convert to fraction form
    99,150,917.80/148,726,376.70 = 68,539,916.20/x
  3. Step 3: Cross multiply
    99,150,917.80x = 148,726,376.70 × 68,539,916.20
  4. Step 4: Simplify right side
    99,150,917.80x = 10,193,693,395,747,632
  5. Step 5: Solve for x
    x = 10,193,693,395,747,632/99,150,917.80
  6. Step 6: Final answer
    x = 102,809,874.30

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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.