Home / 112,315,834.60-168,505,244.70-47,650,618.60

Finding the Fourth Proportional to 112,315,834.60, 168,505,244.70 and 47,650,618.60

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Solution

The fourth proportional to 112,315,834.60, 168,505,244.70 and 47,650,618.60 is: 71,489,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315,834.60 : 168,505,244.70 = 47,650,618.60 : x
  2. Step 2: Convert to fraction form
    112,315,834.60/168,505,244.70 = 47,650,618.60/x
  3. Step 3: Cross multiply
    112,315,834.60x = 168,505,244.70 × 47,650,618.60
  4. Step 4: Simplify right side
    112,315,834.60x = 8,029,379,147,299,371
  5. Step 5: Solve for x
    x = 8,029,379,147,299,371/112,315,834.60
  6. Step 6: Final answer
    x = 71,489,288.90

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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.