Home / 193,419,627.60-290,129,441.40-65,768,811.60

Finding the Fourth Proportional to 193,419,627.60, 290,129,441.40 and 65,768,811.60

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Solution

The fourth proportional to 193,419,627.60, 290,129,441.40 and 65,768,811.60 is: 98,653,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,419,627.60 : 290,129,441.40 = 65,768,811.60 : x
  2. Step 2: Convert to fraction form
    193,419,627.60/290,129,441.40 = 65,768,811.60/x
  3. Step 3: Cross multiply
    193,419,627.60x = 290,129,441.40 × 65,768,811.60
  4. Step 4: Simplify right side
    193,419,627.60x = 19,081,468,571,049,840
  5. Step 5: Solve for x
    x = 19,081,468,571,049,840/193,419,627.60
  6. Step 6: Final answer
    x = 98,653,217.40

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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.