Home / 275,509,262.79-380,202,761.39-151,749,939.92

Finding the Fourth Proportional to 275,509,262.79, 380,202,761.39 and 151,749,939.92

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Solution

The fourth proportional to 275,509,262.79, 380,202,761.39 and 151,749,939.92 is: 209,414,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,509,262.79 : 380,202,761.39 = 151,749,939.92 : x
  2. Step 2: Convert to fraction form
    275,509,262.79/380,202,761.39 = 151,749,939.92/x
  3. Step 3: Cross multiply
    275,509,262.79x = 380,202,761.39 × 151,749,939.92
  4. Step 4: Simplify right side
    275,509,262.79x = 57,695,746,195,690,824
  5. Step 5: Solve for x
    x = 57,695,746,195,690,824/275,509,262.79
  6. Step 6: Final answer
    x = 209,414,905.37

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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.