Home / 69,709,289.88-96,198,287.91-38,346,663.54

Finding the Fourth Proportional to 69,709,289.88, 96,198,287.91 and 38,346,663.54

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Solution

The fourth proportional to 69,709,289.88, 96,198,287.91 and 38,346,663.54 is: 52,918,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,709,289.88 : 96,198,287.91 = 38,346,663.54 : x
  2. Step 2: Convert to fraction form
    69,709,289.88/96,198,287.91 = 38,346,663.54/x
  3. Step 3: Cross multiply
    69,709,289.88x = 96,198,287.91 × 38,346,663.54
  4. Step 4: Simplify right side
    69,709,289.88x = 3,688,883,379,608,819.50
  5. Step 5: Solve for x
    x = 3,688,883,379,608,819.50/69,709,289.88
  6. Step 6: Final answer
    x = 52,918,102.97

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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.