Home / 103,732,044.72-143,150,662.44-56,690,053.44

Finding the Fourth Proportional to 103,732,044.72, 143,150,662.44 and 56,690,053.44

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Solution

The fourth proportional to 103,732,044.72, 143,150,662.44 and 56,690,053.44 is: 78,232,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,732,044.72 : 143,150,662.44 = 56,690,053.44 : x
  2. Step 2: Convert to fraction form
    103,732,044.72/143,150,662.44 = 56,690,053.44/x
  3. Step 3: Cross multiply
    103,732,044.72x = 143,150,662.44 × 56,690,053.44
  4. Step 4: Simplify right side
    103,732,044.72x = 8,115,218,703,695,000
  5. Step 5: Solve for x
    x = 8,115,218,703,695,000/103,732,044.72
  6. Step 6: Final answer
    x = 78,232,514.61

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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.