Home / 207,850,730.40-311,850,745.20-200,385,770.40

Finding the Fourth Proportional to 207,850,730.40, 311,850,745.20 and 200,385,770.40

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Solution

The fourth proportional to 207,850,730.40, 311,850,745.20 and 200,385,770.40 is: 300,650,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,850,730.40 : 311,850,745.20 = 200,385,770.40 : x
  2. Step 2: Convert to fraction form
    207,850,730.40/311,850,745.20 = 200,385,770.40/x
  3. Step 3: Cross multiply
    207,850,730.40x = 311,850,745.20 × 200,385,770.40
  4. Step 4: Simplify right side
    207,850,730.40x = 62,490,451,826,716,104
  5. Step 5: Solve for x
    x = 62,490,451,826,716,104/207,850,730.40
  6. Step 6: Final answer
    x = 300,650,624.16

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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.