Home / 159,846,867.53-220,588,588.53-90,232,849.61

Finding the Fourth Proportional to 159,846,867.53, 220,588,588.53 and 90,232,849.61

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Solution

The fourth proportional to 159,846,867.53, 220,588,588.53 and 90,232,849.61 is: 124,521,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,846,867.53 : 220,588,588.53 = 90,232,849.61 : x
  2. Step 2: Convert to fraction form
    159,846,867.53/220,588,588.53 = 90,232,849.61/x
  3. Step 3: Cross multiply
    159,846,867.53x = 220,588,588.53 × 90,232,849.61
  4. Step 4: Simplify right side
    159,846,867.53x = 19,904,336,934,509,660
  5. Step 5: Solve for x
    x = 19,904,336,934,509,660/159,846,867.53
  6. Step 6: Final answer
    x = 124,521,282.41

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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.