Home / 215,664,406.80-323,496,610.20-134,035,069.20

Finding the Fourth Proportional to 215,664,406.80, 323,496,610.20 and 134,035,069.20

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Solution

The fourth proportional to 215,664,406.80, 323,496,610.20 and 134,035,069.20 is: 201,052,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,664,406.80 : 323,496,610.20 = 134,035,069.20 : x
  2. Step 2: Convert to fraction form
    215,664,406.80/323,496,610.20 = 134,035,069.20/x
  3. Step 3: Cross multiply
    215,664,406.80x = 323,496,610.20 × 134,035,069.20
  4. Step 4: Simplify right side
    215,664,406.80x = 43,359,890,534,122,424
  5. Step 5: Solve for x
    x = 43,359,890,534,122,424/215,664,406.80
  6. Step 6: Final answer
    x = 201,052,603.80

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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.