Home / 65,741,131.38-90,725,431.80-36,371,985.61

Finding the Fourth Proportional to 65,741,131.38, 90,725,431.80 and 36,371,985.61

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Solution

The fourth proportional to 65,741,131.38, 90,725,431.80 and 36,371,985.61 is: 50,194,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741,131.38 : 90,725,431.80 = 36,371,985.61 : x
  2. Step 2: Convert to fraction form
    65,741,131.38/90,725,431.80 = 36,371,985.61/x
  3. Step 3: Cross multiply
    65,741,131.38x = 90,725,431.80 × 36,371,985.61
  4. Step 4: Simplify right side
    65,741,131.38x = 3,299,864,099,714,451.50
  5. Step 5: Solve for x
    x = 3,299,864,099,714,451.50/65,741,131.38
  6. Step 6: Final answer
    x = 50,194,817.62

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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.