Home / 91,666,918.54-126,469,356.24-51,970,190.68

Finding the Fourth Proportional to 91,666,918.54, 126,469,356.24 and 51,970,190.68

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Solution

The fourth proportional to 91,666,918.54, 126,469,356.24 and 51,970,190.68 is: 71,701,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,666,918.54 : 126,469,356.24 = 51,970,190.68 : x
  2. Step 2: Convert to fraction form
    91,666,918.54/126,469,356.24 = 51,970,190.68/x
  3. Step 3: Cross multiply
    91,666,918.54x = 126,469,356.24 × 51,970,190.68
  4. Step 4: Simplify right side
    91,666,918.54x = 6,572,636,558,969,648
  5. Step 5: Solve for x
    x = 6,572,636,558,969,648/91,666,918.54
  6. Step 6: Final answer
    x = 71,701,292.72

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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.