Home / 193,555,940.60-290,333,910.90-85,850,564.60

Finding the Fourth Proportional to 193,555,940.60, 290,333,910.90 and 85,850,564.60

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Solution

The fourth proportional to 193,555,940.60, 290,333,910.90 and 85,850,564.60 is: 128,775,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,940.60 : 290,333,910.90 = 85,850,564.60 : x
  2. Step 2: Convert to fraction form
    193,555,940.60/290,333,910.90 = 85,850,564.60/x
  3. Step 3: Cross multiply
    193,555,940.60x = 290,333,910.90 × 85,850,564.60
  4. Step 4: Simplify right side
    193,555,940.60x = 24,925,330,173,291,092
  5. Step 5: Solve for x
    x = 24,925,330,173,291,092/193,555,940.60
  6. Step 6: Final answer
    x = 128,775,846.90

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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.