Home / 87,343,014.24-120,511,690.56-57,570,362.64

Finding the Fourth Proportional to 87,343,014.24, 120,511,690.56 and 57,570,362.64

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Solution

The fourth proportional to 87,343,014.24, 120,511,690.56 and 57,570,362.64 is: 79,432,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,343,014.24 : 120,511,690.56 = 57,570,362.64 : x
  2. Step 2: Convert to fraction form
    87,343,014.24/120,511,690.56 = 57,570,362.64/x
  3. Step 3: Cross multiply
    87,343,014.24x = 120,511,690.56 × 57,570,362.64
  4. Step 4: Simplify right side
    87,343,014.24x = 6,937,901,727,898,665
  5. Step 5: Solve for x
    x = 6,937,901,727,898,665/87,343,014.24
  6. Step 6: Final answer
    x = 79,432,817.70

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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.