Home / 215,683,729.20-323,525,593.80-161,936,017.20

Finding the Fourth Proportional to 215,683,729.20, 323,525,593.80 and 161,936,017.20

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Solution

The fourth proportional to 215,683,729.20, 323,525,593.80 and 161,936,017.20 is: 242,904,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,729.20 : 323,525,593.80 = 161,936,017.20 : x
  2. Step 2: Convert to fraction form
    215,683,729.20/323,525,593.80 = 161,936,017.20/x
  3. Step 3: Cross multiply
    215,683,729.20x = 323,525,593.80 × 161,936,017.20
  4. Step 4: Simplify right side
    215,683,729.20x = 52,390,446,122,237,008
  5. Step 5: Solve for x
    x = 52,390,446,122,237,008/215,683,729.20
  6. Step 6: Final answer
    x = 242,904,025.80

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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.