Home / 95,846,111.80-143,769,167.70-78,839,999.80

Finding the Fourth Proportional to 95,846,111.80, 143,769,167.70 and 78,839,999.80

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Solution

The fourth proportional to 95,846,111.80, 143,769,167.70 and 78,839,999.80 is: 118,259,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,846,111.80 : 143,769,167.70 = 78,839,999.80 : x
  2. Step 2: Convert to fraction form
    95,846,111.80/143,769,167.70 = 78,839,999.80/x
  3. Step 3: Cross multiply
    95,846,111.80x = 143,769,167.70 × 78,839,999.80
  4. Step 4: Simplify right side
    95,846,111.80x = 11,334,761,152,714,166
  5. Step 5: Solve for x
    x = 11,334,761,152,714,166/95,846,111.80
  6. Step 6: Final answer
    x = 118,259,999.70

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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.