Home / 53,859,867.22-80,797,773.66-19,778,555.89

Finding the Fourth Proportional to 53,859,867.22, 80,797,773.66 and 19,778,555.89

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Solution

The fourth proportional to 53,859,867.22, 80,797,773.66 and 19,778,555.89 is: 29,670,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859,867.22 : 80,797,773.66 = 19,778,555.89 : x
  2. Step 2: Convert to fraction form
    53,859,867.22/80,797,773.66 = 19,778,555.89/x
  3. Step 3: Cross multiply
    53,859,867.22x = 80,797,773.66 × 19,778,555.89
  4. Step 4: Simplify right side
    53,859,867.22x = 1,598,063,282,121,879.75
  5. Step 5: Solve for x
    x = 1,598,063,282,121,879.75/53,859,867.22
  6. Step 6: Final answer
    x = 29,670,761.64

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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.