Home / 57,751,768.92-79,697,418.30-31,997,656.92

Finding the Fourth Proportional to 57,751,768.92, 79,697,418.30 and 31,997,656.92

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Solution

The fourth proportional to 57,751,768.92, 79,697,418.30 and 31,997,656.92 is: 44,156,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751,768.92 : 79,697,418.30 = 31,997,656.92 : x
  2. Step 2: Convert to fraction form
    57,751,768.92/79,697,418.30 = 31,997,656.92/x
  3. Step 3: Cross multiply
    57,751,768.92x = 79,697,418.30 × 31,997,656.92
  4. Step 4: Simplify right side
    57,751,768.92x = 2,550,130,648,173,129.50
  5. Step 5: Solve for x
    x = 2,550,130,648,173,129.50/57,751,768.92
  6. Step 6: Final answer
    x = 44,156,753.91

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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.