Home / 215,683,687.20-323,525,530.80-161,935,975.20

Finding the Fourth Proportional to 215,683,687.20, 323,525,530.80 and 161,935,975.20

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Solution

The fourth proportional to 215,683,687.20, 323,525,530.80 and 161,935,975.20 is: 242,903,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,687.20 : 323,525,530.80 = 161,935,975.20 : x
  2. Step 2: Convert to fraction form
    215,683,687.20/323,525,530.80 = 161,935,975.20/x
  3. Step 3: Cross multiply
    215,683,687.20x = 323,525,530.80 × 161,935,975.20
  4. Step 4: Simplify right side
    215,683,687.20x = 52,390,422,332,195,632
  5. Step 5: Solve for x
    x = 52,390,422,332,195,632/215,683,687.20
  6. Step 6: Final answer
    x = 242,903,962.80

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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.