Home / 43,685,890.20-65,528,835.30-40,993,255.80

Finding the Fourth Proportional to 43,685,890.20, 65,528,835.30 and 40,993,255.80

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Solution

The fourth proportional to 43,685,890.20, 65,528,835.30 and 40,993,255.80 is: 61,489,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685,890.20 : 65,528,835.30 = 40,993,255.80 : x
  2. Step 2: Convert to fraction form
    43,685,890.20/65,528,835.30 = 40,993,255.80/x
  3. Step 3: Cross multiply
    43,685,890.20x = 65,528,835.30 × 40,993,255.80
  4. Step 4: Simplify right side
    43,685,890.20x = 2,686,240,307,728,969.50
  5. Step 5: Solve for x
    x = 2,686,240,307,728,969.50/43,685,890.20
  6. Step 6: Final answer
    x = 61,489,883.70

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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.