Home / 57,102,493.08-78,801,540.44-30,997,028.64

Finding the Fourth Proportional to 57,102,493.08, 78,801,540.44 and 30,997,028.64

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Solution

The fourth proportional to 57,102,493.08, 78,801,540.44 and 30,997,028.64 is: 42,775,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,102,493.08 : 78,801,540.44 = 30,997,028.64 : x
  2. Step 2: Convert to fraction form
    57,102,493.08/78,801,540.44 = 30,997,028.64/x
  3. Step 3: Cross multiply
    57,102,493.08x = 78,801,540.44 × 30,997,028.64
  4. Step 4: Simplify right side
    57,102,493.08x = 2,442,613,605,739,813
  5. Step 5: Solve for x
    x = 2,442,613,605,739,813/57,102,493.08
  6. Step 6: Final answer
    x = 42,775,953.80

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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.