Home / 215,604,363.20-323,406,544.80-164,586,027.20

Finding the Fourth Proportional to 215,604,363.20, 323,406,544.80 and 164,586,027.20

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Solution

The fourth proportional to 215,604,363.20, 323,406,544.80 and 164,586,027.20 is: 246,879,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,604,363.20 : 323,406,544.80 = 164,586,027.20 : x
  2. Step 2: Convert to fraction form
    215,604,363.20/323,406,544.80 = 164,586,027.20/x
  3. Step 3: Cross multiply
    215,604,363.20x = 323,406,544.80 × 164,586,027.20
  4. Step 4: Simplify right side
    215,604,363.20x = 53,228,198,379,110,816
  5. Step 5: Solve for x
    x = 53,228,198,379,110,816/215,604,363.20
  6. Step 6: Final answer
    x = 246,879,040.80

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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.