Home / 75,726,781.32-113,590,171.44-18,219,051.84

Finding the Fourth Proportional to 75,726,781.32, 113,590,171.44 and 18,219,051.84

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Solution

The fourth proportional to 75,726,781.32, 113,590,171.44 and 18,219,051.84 is: 27,328,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,726,781.32 : 113,590,171.44 = 18,219,051.84 : x
  2. Step 2: Convert to fraction form
    75,726,781.32/113,590,171.44 = 18,219,051.84/x
  3. Step 3: Cross multiply
    75,726,781.32x = 113,590,171.44 × 18,219,051.84
  4. Step 4: Simplify right side
    75,726,781.32x = 2,069,505,221,979,847.50
  5. Step 5: Solve for x
    x = 2,069,505,221,979,847.50/75,726,781.32
  6. Step 6: Final answer
    x = 27,328,577.63

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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.