Home / 125,995,847.20-188,993,770.80-100,486,679.20

Finding the Fourth Proportional to 125,995,847.20, 188,993,770.80 and 100,486,679.20

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Solution

The fourth proportional to 125,995,847.20, 188,993,770.80 and 100,486,679.20 is: 150,730,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,995,847.20 : 188,993,770.80 = 100,486,679.20 : x
  2. Step 2: Convert to fraction form
    125,995,847.20/188,993,770.80 = 100,486,679.20/x
  3. Step 3: Cross multiply
    125,995,847.20x = 188,993,770.80 × 100,486,679.20
  4. Step 4: Simplify right side
    125,995,847.20x = 18,991,356,417,177,928
  5. Step 5: Solve for x
    x = 18,991,356,417,177,928/125,995,847.20
  6. Step 6: Final answer
    x = 150,730,018.80

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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.