Home / 215,136,016.80-322,704,025.20-69,569,296.80

Finding the Fourth Proportional to 215,136,016.80, 322,704,025.20 and 69,569,296.80

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Solution

The fourth proportional to 215,136,016.80, 322,704,025.20 and 69,569,296.80 is: 104,353,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,136,016.80 : 322,704,025.20 = 69,569,296.80 : x
  2. Step 2: Convert to fraction form
    215,136,016.80/322,704,025.20 = 69,569,296.80/x
  3. Step 3: Cross multiply
    215,136,016.80x = 322,704,025.20 × 69,569,296.80
  4. Step 4: Simplify right side
    215,136,016.80x = 22,450,292,107,693,476
  5. Step 5: Solve for x
    x = 22,450,292,107,693,476/215,136,016.80
  6. Step 6: Final answer
    x = 104,353,945.20

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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.