Home / 80,064,462.80-120,051,184.44-31,515,997.52

Finding the Fourth Proportional to 80,064,462.80, 120,051,184.44 and 31,515,997.52

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Solution

The fourth proportional to 80,064,462.80, 120,051,184.44 and 31,515,997.52 is: 47,256,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,064,462.80 : 120,051,184.44 = 31,515,997.52 : x
  2. Step 2: Convert to fraction form
    80,064,462.80/120,051,184.44 = 31,515,997.52/x
  3. Step 3: Cross multiply
    80,064,462.80x = 120,051,184.44 × 31,515,997.52
  4. Step 4: Simplify right side
    80,064,462.80x = 3,783,532,831,084,102.50
  5. Step 5: Solve for x
    x = 3,783,532,831,084,102.50/80,064,462.80
  6. Step 6: Final answer
    x = 47,256,082.15

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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.