Home / 193,087,213.80-289,630,820.70-115,488,954.60

Finding the Fourth Proportional to 193,087,213.80, 289,630,820.70 and 115,488,954.60

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Solution

The fourth proportional to 193,087,213.80, 289,630,820.70 and 115,488,954.60 is: 173,233,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,213.80 : 289,630,820.70 = 115,488,954.60 : x
  2. Step 2: Convert to fraction form
    193,087,213.80/289,630,820.70 = 115,488,954.60/x
  3. Step 3: Cross multiply
    193,087,213.80x = 289,630,820.70 × 115,488,954.60
  4. Step 4: Simplify right side
    193,087,213.80x = 33,449,160,702,583,036
  5. Step 5: Solve for x
    x = 33,449,160,702,583,036/193,087,213.80
  6. Step 6: Final answer
    x = 173,233,431.90

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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.