Home / 40,880,136.20-61,320,204.30-31,810,209.80

Finding the Fourth Proportional to 40,880,136.20, 61,320,204.30 and 31,810,209.80

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Solution

The fourth proportional to 40,880,136.20, 61,320,204.30 and 31,810,209.80 is: 47,715,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880,136.20 : 61,320,204.30 = 31,810,209.80 : x
  2. Step 2: Convert to fraction form
    40,880,136.20/61,320,204.30 = 31,810,209.80/x
  3. Step 3: Cross multiply
    40,880,136.20x = 61,320,204.30 × 31,810,209.80
  4. Step 4: Simplify right side
    40,880,136.20x = 1,950,608,563,761,862
  5. Step 5: Solve for x
    x = 1,950,608,563,761,862/40,880,136.20
  6. Step 6: Final answer
    x = 47,715,314.70

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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.