Home / 107,981,998.40-161,987,205.60-39,872,532.80

Finding the Fourth Proportional to 107,981,998.40, 161,987,205.60 and 39,872,532.80

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Solution

The fourth proportional to 107,981,998.40, 161,987,205.60 and 39,872,532.80 is: 59,814,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,981,998.40 : 161,987,205.60 = 39,872,532.80 : x
  2. Step 2: Convert to fraction form
    107,981,998.40/161,987,205.60 = 39,872,532.80/x
  3. Step 3: Cross multiply
    107,981,998.40x = 161,987,205.60 × 39,872,532.80
  4. Step 4: Simplify right side
    107,981,998.40x = 6,458,840,168,466,343
  5. Step 5: Solve for x
    x = 6,458,840,168,466,343/107,981,998.40
  6. Step 6: Final answer
    x = 59,814,045.53

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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.