Home / 275,509,265.79-380,202,765.54-151,749,942.93

Finding the Fourth Proportional to 275,509,265.79, 380,202,765.54 and 151,749,942.93

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Solution

The fourth proportional to 275,509,265.79, 380,202,765.54 and 151,749,942.93 is: 209,414,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,509,265.79 : 380,202,765.54 = 151,749,942.93 : x
  2. Step 2: Convert to fraction form
    275,509,265.79/380,202,765.54 = 151,749,942.93/x
  3. Step 3: Cross multiply
    275,509,265.79x = 380,202,765.54 × 151,749,942.93
  4. Step 4: Simplify right side
    275,509,265.79x = 57,695,747,972,523,176
  5. Step 5: Solve for x
    x = 57,695,747,972,523,176/275,509,265.79
  6. Step 6: Final answer
    x = 209,414,909.54

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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.