Home / 95,846,109.80-143,769,164.70-78,839,997.80

Finding the Fourth Proportional to 95,846,109.80, 143,769,164.70 and 78,839,997.80

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Solution

The fourth proportional to 95,846,109.80, 143,769,164.70 and 78,839,997.80 is: 118,259,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,846,109.80 : 143,769,164.70 = 78,839,997.80 : x
  2. Step 2: Convert to fraction form
    95,846,109.80/143,769,164.70 = 78,839,997.80/x
  3. Step 3: Cross multiply
    95,846,109.80x = 143,769,164.70 × 78,839,997.80
  4. Step 4: Simplify right side
    95,846,109.80x = 11,334,760,628,655,836
  5. Step 5: Solve for x
    x = 11,334,760,628,655,836/95,846,109.80
  6. Step 6: Final answer
    x = 118,259,996.70

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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.