Home / 55,424,780.15-76,469,397.84-38,679,074.24

Finding the Fourth Proportional to 55,424,780.15, 76,469,397.84 and 38,679,074.24

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Solution

The fourth proportional to 55,424,780.15, 76,469,397.84 and 38,679,074.24 is: 53,365,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424,780.15 : 76,469,397.84 = 38,679,074.24 : x
  2. Step 2: Convert to fraction form
    55,424,780.15/76,469,397.84 = 38,679,074.24/x
  3. Step 3: Cross multiply
    55,424,780.15x = 76,469,397.84 × 38,679,074.24
  4. Step 4: Simplify right side
    55,424,780.15x = 2,957,765,515,759,108.50
  5. Step 5: Solve for x
    x = 2,957,765,515,759,108.50/55,424,780.15
  6. Step 6: Final answer
    x = 53,365,399.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.