Home / 110,866,761.20-152,997,121.31-61,310,468.87

Finding the Fourth Proportional to 110,866,761.20, 152,997,121.31 and 61,310,468.87

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Solution

The fourth proportional to 110,866,761.20, 152,997,121.31 and 61,310,468.87 is: 84,608,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,866,761.20 : 152,997,121.31 = 61,310,468.87 : x
  2. Step 2: Convert to fraction form
    110,866,761.20/152,997,121.31 = 61,310,468.87/x
  3. Step 3: Cross multiply
    110,866,761.20x = 152,997,121.31 × 61,310,468.87
  4. Step 4: Simplify right side
    110,866,761.20x = 9,380,325,242,778,570
  5. Step 5: Solve for x
    x = 9,380,325,242,778,570/110,866,761.20
  6. Step 6: Final answer
    x = 84,608,994.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.