Home / 320,589,122.94-442,413,841.41-173,911,406.94

Finding the Fourth Proportional to 320,589,122.94, 442,413,841.41 and 173,911,406.94

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Solution

The fourth proportional to 320,589,122.94, 442,413,841.41 and 173,911,406.94 is: 239,998,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,589,122.94 : 442,413,841.41 = 173,911,406.94 : x
  2. Step 2: Convert to fraction form
    320,589,122.94/442,413,841.41 = 173,911,406.94/x
  3. Step 3: Cross multiply
    320,589,122.94x = 442,413,841.41 × 173,911,406.94
  4. Step 4: Simplify right side
    320,589,122.94x = 76,940,813,609,343,136
  5. Step 5: Solve for x
    x = 76,940,813,609,343,136/320,589,122.94
  6. Step 6: Final answer
    x = 239,998,203.63

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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.