Home / 43,092,100.20-64,638,150.30-21,530,029.80

Finding the Fourth Proportional to 43,092,100.20, 64,638,150.30 and 21,530,029.80

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Solution

The fourth proportional to 43,092,100.20, 64,638,150.30 and 21,530,029.80 is: 32,295,044.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092,100.20 : 64,638,150.30 = 21,530,029.80 : x
  2. Step 2: Convert to fraction form
    43,092,100.20/64,638,150.30 = 21,530,029.80/x
  3. Step 3: Cross multiply
    43,092,100.20x = 64,638,150.30 × 21,530,029.80
  4. Step 4: Simplify right side
    43,092,100.20x = 1,391,661,302,175,879
  5. Step 5: Solve for x
    x = 1,391,661,302,175,879/43,092,100.20
  6. Step 6: Final answer
    x = 32,295,044.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.