Home / 215,826,910.80-323,740,366.20-193,152,094.80

Finding the Fourth Proportional to 215,826,910.80, 323,740,366.20 and 193,152,094.80

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Solution

The fourth proportional to 215,826,910.80, 323,740,366.20 and 193,152,094.80 is: 289,728,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826,910.80 : 323,740,366.20 = 193,152,094.80 : x
  2. Step 2: Convert to fraction form
    215,826,910.80/323,740,366.20 = 193,152,094.80/x
  3. Step 3: Cross multiply
    215,826,910.80x = 323,740,366.20 × 193,152,094.80
  4. Step 4: Simplify right side
    215,826,910.80x = 62,531,129,902,849,120
  5. Step 5: Solve for x
    x = 62,531,129,902,849,120/215,826,910.80
  6. Step 6: Final answer
    x = 289,728,142.20

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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.