Home / 56,170,589.67-77,515,700.56-31,391,190.16

Finding the Fourth Proportional to 56,170,589.67, 77,515,700.56 and 31,391,190.16

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Solution

The fourth proportional to 56,170,589.67, 77,515,700.56 and 31,391,190.16 is: 43,320,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170,589.67 : 77,515,700.56 = 31,391,190.16 : x
  2. Step 2: Convert to fraction form
    56,170,589.67/77,515,700.56 = 31,391,190.16/x
  3. Step 3: Cross multiply
    56,170,589.67x = 77,515,700.56 × 31,391,190.16
  4. Step 4: Simplify right side
    56,170,589.67x = 2,433,310,096,392,311.50
  5. Step 5: Solve for x
    x = 2,433,310,096,392,311.50/56,170,589.67
  6. Step 6: Final answer
    x = 43,320,002.70

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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.