Home / 75,726,782.82-113,590,173.69-18,219,053.34

Finding the Fourth Proportional to 75,726,782.82, 113,590,173.69 and 18,219,053.34

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Solution

The fourth proportional to 75,726,782.82, 113,590,173.69 and 18,219,053.34 is: 27,328,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,726,782.82 : 113,590,173.69 = 18,219,053.34 : x
  2. Step 2: Convert to fraction form
    75,726,782.82/113,590,173.69 = 18,219,053.34/x
  3. Step 3: Cross multiply
    75,726,782.82x = 113,590,173.69 × 18,219,053.34
  4. Step 4: Simplify right side
    75,726,782.82x = 2,069,505,433,357,974.50
  5. Step 5: Solve for x
    x = 2,069,505,433,357,974.50/75,726,782.82
  6. Step 6: Final answer
    x = 27,328,579.88

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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.