Home / 159,714,562.92-220,408,238.32-90,099,728.52

Finding the Fourth Proportional to 159,714,562.92, 220,408,238.32 and 90,099,728.52

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Solution

The fourth proportional to 159,714,562.92, 220,408,238.32 and 90,099,728.52 is: 124,338,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,714,562.92 : 220,408,238.32 = 90,099,728.52 : x
  2. Step 2: Convert to fraction form
    159,714,562.92/220,408,238.32 = 90,099,728.52/x
  3. Step 3: Cross multiply
    159,714,562.92x = 220,408,238.32 × 90,099,728.52
  4. Step 4: Simplify right side
    159,714,562.92x = 19,858,722,436,203,460
  5. Step 5: Solve for x
    x = 19,858,722,436,203,460/159,714,562.92
  6. Step 6: Final answer
    x = 124,338,833.44

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1.5x scale

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.