Home / 87,934,770.96-121,347,642.60-50,763,796.80

Finding the Fourth Proportional to 87,934,770.96, 121,347,642.60 and 50,763,796.80

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Solution

The fourth proportional to 87,934,770.96, 121,347,642.60 and 50,763,796.80 is: 70,052,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,934,770.96 : 121,347,642.60 = 50,763,796.80 : x
  2. Step 2: Convert to fraction form
    87,934,770.96/121,347,642.60 = 50,763,796.80/x
  3. Step 3: Cross multiply
    87,934,770.96x = 121,347,642.60 × 50,763,796.80
  4. Step 4: Simplify right side
    87,934,770.96x = 6,160,067,071,105,423
  5. Step 5: Solve for x
    x = 6,160,067,071,105,423/87,934,770.96
  6. Step 6: Final answer
    x = 70,052,687.96

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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.