Home / 80,942,451.33-121,353,840.62-42,025,026.93

Finding the Fourth Proportional to 80,942,451.33, 121,353,840.62 and 42,025,026.93

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Solution

The fourth proportional to 80,942,451.33, 121,353,840.62 and 42,025,026.93 is: 63,006,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,942,451.33 : 121,353,840.62 = 42,025,026.93 : x
  2. Step 2: Convert to fraction form
    80,942,451.33/121,353,840.62 = 42,025,026.93/x
  3. Step 3: Cross multiply
    80,942,451.33x = 121,353,840.62 × 42,025,026.93
  4. Step 4: Simplify right side
    80,942,451.33x = 5,099,898,419,904,303
  5. Step 5: Solve for x
    x = 5,099,898,419,904,303/80,942,451.33
  6. Step 6: Final answer
    x = 63,006,473.56

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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.