Home / 118,105,355.20-177,346,989.60-89,383,921.60

Finding the Fourth Proportional to 118,105,355.20, 177,346,989.60 and 89,383,921.60

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Solution

The fourth proportional to 118,105,355.20, 177,346,989.60 and 89,383,921.60 is: 134,218,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,105,355.20 : 177,346,989.60 = 89,383,921.60 : x
  2. Step 2: Convert to fraction form
    118,105,355.20/177,346,989.60 = 89,383,921.60/x
  3. Step 3: Cross multiply
    118,105,355.20x = 177,346,989.60 × 89,383,921.60
  4. Step 4: Simplify right side
    118,105,355.20x = 15,851,969,414,402,414
  5. Step 5: Solve for x
    x = 15,851,969,414,402,414/118,105,355.20
  6. Step 6: Final answer
    x = 134,218,887.77

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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.