Home / 76,021,419.57-104,996,164.20-51,532,618.29

Finding the Fourth Proportional to 76,021,419.57, 104,996,164.20 and 51,532,618.29

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Solution

The fourth proportional to 76,021,419.57, 104,996,164.20 and 51,532,618.29 is: 71,173,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,419.57 : 104,996,164.20 = 51,532,618.29 : x
  2. Step 2: Convert to fraction form
    76,021,419.57/104,996,164.20 = 51,532,618.29/x
  3. Step 3: Cross multiply
    76,021,419.57x = 104,996,164.20 × 51,532,618.29
  4. Step 4: Simplify right side
    76,021,419.57x = 5,410,727,251,632,763
  5. Step 5: Solve for x
    x = 5,410,727,251,632,763/76,021,419.57
  6. Step 6: Final answer
    x = 71,173,720.28

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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.