Home / 355,654,881.80-533,780,921.10-161,864,520.20

Finding the Fourth Proportional to 355,654,881.80, 533,780,921.10 and 161,864,520.20

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Solution

The fourth proportional to 355,654,881.80, 533,780,921.10 and 161,864,520.20 is: 242,932,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,654,881.80 : 533,780,921.10 = 161,864,520.20 : x
  2. Step 2: Convert to fraction form
    355,654,881.80/533,780,921.10 = 161,864,520.20/x
  3. Step 3: Cross multiply
    355,654,881.80x = 533,780,921.10 × 161,864,520.20
  4. Step 4: Simplify right side
    355,654,881.80x = 86,400,192,685,765,552
  5. Step 5: Solve for x
    x = 86,400,192,685,765,552/355,654,881.80
  6. Step 6: Final answer
    x = 242,932,677.46

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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.