Home / 118,209,997.20-177,314,995.80-102,054,190.80

Finding the Fourth Proportional to 118,209,997.20, 177,314,995.80 and 102,054,190.80

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Solution

The fourth proportional to 118,209,997.20, 177,314,995.80 and 102,054,190.80 is: 153,081,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209,997.20 : 177,314,995.80 = 102,054,190.80 : x
  2. Step 2: Convert to fraction form
    118,209,997.20/177,314,995.80 = 102,054,190.80/x
  3. Step 3: Cross multiply
    118,209,997.20x = 177,314,995.80 × 102,054,190.80
  4. Step 4: Simplify right side
    118,209,997.20x = 18,095,738,413,074,400
  5. Step 5: Solve for x
    x = 18,095,738,413,074,400/118,209,997.20
  6. Step 6: Final answer
    x = 153,081,286.20

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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.