Home / 215,683,686.20-323,525,529.30-161,935,974.20

Finding the Fourth Proportional to 215,683,686.20, 323,525,529.30 and 161,935,974.20

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Solution

The fourth proportional to 215,683,686.20, 323,525,529.30 and 161,935,974.20 is: 242,903,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,686.20 : 323,525,529.30 = 161,935,974.20 : x
  2. Step 2: Convert to fraction form
    215,683,686.20/323,525,529.30 = 161,935,974.20/x
  3. Step 3: Cross multiply
    215,683,686.20x = 323,525,529.30 × 161,935,974.20
  4. Step 4: Simplify right side
    215,683,686.20x = 52,390,421,765,766,144
  5. Step 5: Solve for x
    x = 52,390,421,765,766,144/215,683,686.20
  6. Step 6: Final answer
    x = 242,903,961.30

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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.