Home / 245,615,151.72-366,542,959.54-219,413,192.86

Finding the Fourth Proportional to 245,615,151.72, 366,542,959.54 and 219,413,192.86

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Solution

The fourth proportional to 245,615,151.72, 366,542,959.54 and 219,413,192.86 is: 327,440,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,615,151.72 : 366,542,959.54 = 219,413,192.86 : x
  2. Step 2: Convert to fraction form
    245,615,151.72/366,542,959.54 = 219,413,192.86/x
  3. Step 3: Cross multiply
    245,615,151.72x = 366,542,959.54 × 219,413,192.86
  4. Step 4: Simplify right side
    245,615,151.72x = 80,424,361,073,025,200
  5. Step 5: Solve for x
    x = 80,424,361,073,025,200/245,615,151.72
  6. Step 6: Final answer
    x = 327,440,552.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.