Home / 355,654,833.80-533,780,849.10-161,864,472.20

Finding the Fourth Proportional to 355,654,833.80, 533,780,849.10 and 161,864,472.20

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Solution

The fourth proportional to 355,654,833.80, 533,780,849.10 and 161,864,472.20 is: 242,932,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,654,833.80 : 533,780,849.10 = 161,864,472.20 : x
  2. Step 2: Convert to fraction form
    355,654,833.80/533,780,849.10 = 161,864,472.20/x
  3. Step 3: Cross multiply
    355,654,833.80x = 533,780,849.10 × 161,864,472.20
  4. Step 4: Simplify right side
    355,654,833.80x = 86,400,155,410,039,344
  5. Step 5: Solve for x
    x = 86,400,155,410,039,344/355,654,833.80
  6. Step 6: Final answer
    x = 242,932,605.43

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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.