Home / 221,452,109.20-332,178,163.80-135,358,667.20

Finding the Fourth Proportional to 221,452,109.20, 332,178,163.80 and 135,358,667.20

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Solution

The fourth proportional to 221,452,109.20, 332,178,163.80 and 135,358,667.20 is: 203,038,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452,109.20 : 332,178,163.80 = 135,358,667.20 : x
  2. Step 2: Convert to fraction form
    221,452,109.20/332,178,163.80 = 135,358,667.20/x
  3. Step 3: Cross multiply
    221,452,109.20x = 332,178,163.80 × 135,358,667.20
  4. Step 4: Simplify right side
    221,452,109.20x = 44,963,193,524,911,288
  5. Step 5: Solve for x
    x = 44,963,193,524,911,288/221,452,109.20
  6. Step 6: Final answer
    x = 203,038,000.80

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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.