Home / 215,826,896.80-323,740,345.20-193,152,080.80

Finding the Fourth Proportional to 215,826,896.80, 323,740,345.20 and 193,152,080.80

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Solution

The fourth proportional to 215,826,896.80, 323,740,345.20 and 193,152,080.80 is: 289,728,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826,896.80 : 323,740,345.20 = 193,152,080.80 : x
  2. Step 2: Convert to fraction form
    215,826,896.80/323,740,345.20 = 193,152,080.80/x
  3. Step 3: Cross multiply
    215,826,896.80x = 323,740,345.20 × 193,152,080.80
  4. Step 4: Simplify right side
    215,826,896.80x = 62,531,121,314,290,296
  5. Step 5: Solve for x
    x = 62,531,121,314,290,296/215,826,896.80
  6. Step 6: Final answer
    x = 289,728,121.20

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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.