Home / 76,021,367.82-104,996,092.61-51,532,566.54

Finding the Fourth Proportional to 76,021,367.82, 104,996,092.61 and 51,532,566.54

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Solution

The fourth proportional to 76,021,367.82, 104,996,092.61 and 51,532,566.54 is: 71,173,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,367.82 : 104,996,092.61 = 51,532,566.54 : x
  2. Step 2: Convert to fraction form
    76,021,367.82/104,996,092.61 = 51,532,566.54/x
  3. Step 3: Cross multiply
    76,021,367.82x = 104,996,092.61 × 51,532,566.54
  4. Step 4: Simplify right side
    76,021,367.82x = 5,410,718,128,607,165
  5. Step 5: Solve for x
    x = 5,410,718,128,607,165/76,021,367.82
  6. Step 6: Final answer
    x = 71,173,648.72

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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.