Home / 76,214,296.96-105,175,163.20-41,407,273.28

Finding the Fourth Proportional to 76,214,296.96, 105,175,163.20 and 41,407,273.28

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Solution

The fourth proportional to 76,214,296.96, 105,175,163.20 and 41,407,273.28 is: 57,141,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214,296.96 : 105,175,163.20 = 41,407,273.28 : x
  2. Step 2: Convert to fraction form
    76,214,296.96/105,175,163.20 = 41,407,273.28/x
  3. Step 3: Cross multiply
    76,214,296.96x = 105,175,163.20 × 41,407,273.28
  4. Step 4: Simplify right side
    76,214,296.96x = 4,355,016,724,890,999.50
  5. Step 5: Solve for x
    x = 4,355,016,724,890,999.50/76,214,296.96
  6. Step 6: Final answer
    x = 57,141,729.29

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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.