Home / 215,683,765.20-323,525,647.80-161,936,053.20

Finding the Fourth Proportional to 215,683,765.20, 323,525,647.80 and 161,936,053.20

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Solution

The fourth proportional to 215,683,765.20, 323,525,647.80 and 161,936,053.20 is: 242,904,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,683,765.20 : 323,525,647.80 = 161,936,053.20 : x
  2. Step 2: Convert to fraction form
    215,683,765.20/323,525,647.80 = 161,936,053.20/x
  3. Step 3: Cross multiply
    215,683,765.20x = 323,525,647.80 × 161,936,053.20
  4. Step 4: Simplify right side
    215,683,765.20x = 52,390,466,513,705,264
  5. Step 5: Solve for x
    x = 52,390,466,513,705,264/215,683,765.20
  6. Step 6: Final answer
    x = 242,904,079.80

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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.