Home / 118,380,011.70-177,570,017.55-109,310,085.30

Finding the Fourth Proportional to 118,380,011.70, 177,570,017.55 and 109,310,085.30

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Solution

The fourth proportional to 118,380,011.70, 177,570,017.55 and 109,310,085.30 is: 163,965,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,380,011.70 : 177,570,017.55 = 109,310,085.30 : x
  2. Step 2: Convert to fraction form
    118,380,011.70/177,570,017.55 = 109,310,085.30/x
  3. Step 3: Cross multiply
    118,380,011.70x = 177,570,017.55 × 109,310,085.30
  4. Step 4: Simplify right side
    118,380,011.70x = 19,410,193,765,112,996
  5. Step 5: Solve for x
    x = 19,410,193,765,112,996/118,380,011.70
  6. Step 6: Final answer
    x = 163,965,127.95

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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.