Home / 201,208,834.60-301,813,251.90-123,724,736.80

Finding the Fourth Proportional to 201,208,834.60, 301,813,251.90 and 123,724,736.80

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Solution

The fourth proportional to 201,208,834.60, 301,813,251.90 and 123,724,736.80 is: 185,587,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,208,834.60 : 301,813,251.90 = 123,724,736.80 : x
  2. Step 2: Convert to fraction form
    201,208,834.60/301,813,251.90 = 123,724,736.80/x
  3. Step 3: Cross multiply
    201,208,834.60x = 301,813,251.90 × 123,724,736.80
  4. Step 4: Simplify right side
    201,208,834.60x = 37,341,765,154,079,600
  5. Step 5: Solve for x
    x = 37,341,765,154,079,600/201,208,834.60
  6. Step 6: Final answer
    x = 185,587,105.20

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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.