Home / 76,021,351.76-104,996,070.44-51,532,550.48

Finding the Fourth Proportional to 76,021,351.76, 104,996,070.44 and 51,532,550.48

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Solution

The fourth proportional to 76,021,351.76, 104,996,070.44 and 51,532,550.48 is: 71,173,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,351.76 : 104,996,070.44 = 51,532,550.48 : x
  2. Step 2: Convert to fraction form
    76,021,351.76/104,996,070.44 = 51,532,550.48/x
  3. Step 3: Cross multiply
    76,021,351.76x = 104,996,070.44 × 51,532,550.48
  4. Step 4: Simplify right side
    76,021,351.76x = 5,410,715,300,150,935
  5. Step 5: Solve for x
    x = 5,410,715,300,150,935/76,021,351.76
  6. Step 6: Final answer
    x = 71,173,626.55

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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.