Home / 193,136,906.40-289,705,359.60-116,420,445.60

Finding the Fourth Proportional to 193,136,906.40, 289,705,359.60 and 116,420,445.60

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Solution

The fourth proportional to 193,136,906.40, 289,705,359.60 and 116,420,445.60 is: 174,630,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,136,906.40 : 289,705,359.60 = 116,420,445.60 : x
  2. Step 2: Convert to fraction form
    193,136,906.40/289,705,359.60 = 116,420,445.60/x
  3. Step 3: Cross multiply
    193,136,906.40x = 289,705,359.60 × 116,420,445.60
  4. Step 4: Simplify right side
    193,136,906.40x = 33,727,627,057,340,240
  5. Step 5: Solve for x
    x = 33,727,627,057,340,240/193,136,906.40
  6. Step 6: Final answer
    x = 174,630,668.40

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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.