Home / 120,726,548.70-181,099,664.55-51,639,874.80

Finding the Fourth Proportional to 120,726,548.70, 181,099,664.55 and 51,639,874.80

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Solution

The fourth proportional to 120,726,548.70, 181,099,664.55 and 51,639,874.80 is: 77,464,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726,548.70 : 181,099,664.55 = 51,639,874.80 : x
  2. Step 2: Convert to fraction form
    120,726,548.70/181,099,664.55 = 51,639,874.80/x
  3. Step 3: Cross multiply
    120,726,548.70x = 181,099,664.55 × 51,639,874.80
  4. Step 4: Simplify right side
    120,726,548.70x = 9,351,964,003,683,998
  5. Step 5: Solve for x
    x = 9,351,964,003,683,998/120,726,548.70
  6. Step 6: Final answer
    x = 77,464,021.83

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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.