Home / 144,677,578.43-199,672,174.43-85,940,475.62

Finding the Fourth Proportional to 144,677,578.43, 199,672,174.43 and 85,940,475.62

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Solution

The fourth proportional to 144,677,578.43, 199,672,174.43 and 85,940,475.62 is: 118,608,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,677,578.43 : 199,672,174.43 = 85,940,475.62 : x
  2. Step 2: Convert to fraction form
    144,677,578.43/199,672,174.43 = 85,940,475.62/x
  3. Step 3: Cross multiply
    144,677,578.43x = 199,672,174.43 × 85,940,475.62
  4. Step 4: Simplify right side
    144,677,578.43x = 17,159,921,637,165,740
  5. Step 5: Solve for x
    x = 17,159,921,637,165,740/144,677,578.43
  6. Step 6: Final answer
    x = 118,608,023.61

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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.