Home / 99,694,933.70-149,542,400.55-45,947,221.70

Finding the Fourth Proportional to 99,694,933.70, 149,542,400.55 and 45,947,221.70

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Solution

The fourth proportional to 99,694,933.70, 149,542,400.55 and 45,947,221.70 is: 68,920,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694,933.70 : 149,542,400.55 = 45,947,221.70 : x
  2. Step 2: Convert to fraction form
    99,694,933.70/149,542,400.55 = 45,947,221.70/x
  3. Step 3: Cross multiply
    99,694,933.70x = 149,542,400.55 × 45,947,221.70
  4. Step 4: Simplify right side
    99,694,933.70x = 6,871,057,831,621,053
  5. Step 5: Solve for x
    x = 6,871,057,831,621,053/99,694,933.70
  6. Step 6: Final answer
    x = 68,920,832.55

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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.