Home / 193,419,457.80-290,129,186.70-132,197,454.60

Finding the Fourth Proportional to 193,419,457.80, 290,129,186.70 and 132,197,454.60

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Solution

The fourth proportional to 193,419,457.80, 290,129,186.70 and 132,197,454.60 is: 198,296,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,419,457.80 : 290,129,186.70 = 132,197,454.60 : x
  2. Step 2: Convert to fraction form
    193,419,457.80/290,129,186.70 = 132,197,454.60/x
  3. Step 3: Cross multiply
    193,419,457.80x = 290,129,186.70 × 132,197,454.60
  4. Step 4: Simplify right side
    193,419,457.80x = 38,354,339,986,908,168
  5. Step 5: Solve for x
    x = 38,354,339,986,908,168/193,419,457.80
  6. Step 6: Final answer
    x = 198,296,181.90

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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.