Home / 52,210,832.88-72,052,233.40-28,689,181.32

Finding the Fourth Proportional to 52,210,832.88, 72,052,233.40 and 28,689,181.32

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Solution

The fourth proportional to 52,210,832.88, 72,052,233.40 and 28,689,181.32 is: 39,591,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210,832.88 : 72,052,233.40 = 28,689,181.32 : x
  2. Step 2: Convert to fraction form
    52,210,832.88/72,052,233.40 = 28,689,181.32/x
  3. Step 3: Cross multiply
    52,210,832.88x = 72,052,233.40 × 28,689,181.32
  4. Step 4: Simplify right side
    52,210,832.88x = 2,067,119,588,523,560.25
  5. Step 5: Solve for x
    x = 2,067,119,588,523,560.25/52,210,832.88
  6. Step 6: Final answer
    x = 39,591,775.78

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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.