Home / 118,109,383.70-177,164,075.55-106,205,105.30

Finding the Fourth Proportional to 118,109,383.70, 177,164,075.55 and 106,205,105.30

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Solution

The fourth proportional to 118,109,383.70, 177,164,075.55 and 106,205,105.30 is: 159,307,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109,383.70 : 177,164,075.55 = 106,205,105.30 : x
  2. Step 2: Convert to fraction form
    118,109,383.70/177,164,075.55 = 106,205,105.30/x
  3. Step 3: Cross multiply
    118,109,383.70x = 177,164,075.55 × 106,205,105.30
  4. Step 4: Simplify right side
    118,109,383.70x = 18,815,729,299,164,908
  5. Step 5: Solve for x
    x = 18,815,729,299,164,908/118,109,383.70
  6. Step 6: Final answer
    x = 159,307,657.95

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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.