Home / 118,795,789.20-178,051,966.20-106,608,075.60

Finding the Fourth Proportional to 118,795,789.20, 178,051,966.20 and 106,608,075.60

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Solution

The fourth proportional to 118,795,789.20, 178,051,966.20 and 106,608,075.60 is: 159,784,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,795,789.20 : 178,051,966.20 = 106,608,075.60 : x
  2. Step 2: Convert to fraction form
    118,795,789.20/178,051,966.20 = 106,608,075.60/x
  3. Step 3: Cross multiply
    118,795,789.20x = 178,051,966.20 × 106,608,075.60
  4. Step 4: Simplify right side
    118,795,789.20x = 18,981,777,473,378,244
  5. Step 5: Solve for x
    x = 18,981,777,473,378,244/118,795,789.20
  6. Step 6: Final answer
    x = 159,784,935.15

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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.