Home / 72,306,021.60-108,565,320.60-50,835,805.20

Finding the Fourth Proportional to 72,306,021.60, 108,565,320.60 and 50,835,805.20

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Solution

The fourth proportional to 72,306,021.60, 108,565,320.60 and 50,835,805.20 is: 76,328,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,306,021.60 : 108,565,320.60 = 50,835,805.20 : x
  2. Step 2: Convert to fraction form
    72,306,021.60/108,565,320.60 = 50,835,805.20/x
  3. Step 3: Cross multiply
    72,306,021.60x = 108,565,320.60 × 50,835,805.20
  4. Step 4: Simplify right side
    72,306,021.60x = 5,519,005,489,497,147
  5. Step 5: Solve for x
    x = 5,519,005,489,497,147/72,306,021.60
  6. Step 6: Final answer
    x = 76,328,435.27

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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.