Home / 202,181,572.20-303,272,358.30-100,144,900.20

Finding the Fourth Proportional to 202,181,572.20, 303,272,358.30 and 100,144,900.20

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Solution

The fourth proportional to 202,181,572.20, 303,272,358.30 and 100,144,900.20 is: 150,217,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,181,572.20 : 303,272,358.30 = 100,144,900.20 : x
  2. Step 2: Convert to fraction form
    202,181,572.20/303,272,358.30 = 100,144,900.20/x
  3. Step 3: Cross multiply
    202,181,572.20x = 303,272,358.30 × 100,144,900.20
  4. Step 4: Simplify right side
    202,181,572.20x = 30,371,180,055,372,144
  5. Step 5: Solve for x
    x = 30,371,180,055,372,144/202,181,572.20
  6. Step 6: Final answer
    x = 150,217,350.30

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1.5x scale

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.