Home / 355,654,840.80-533,780,859.60-161,864,479.20

Finding the Fourth Proportional to 355,654,840.80, 533,780,859.60 and 161,864,479.20

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Solution

The fourth proportional to 355,654,840.80, 533,780,859.60 and 161,864,479.20 is: 242,932,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,654,840.80 : 533,780,859.60 = 161,864,479.20 : x
  2. Step 2: Convert to fraction form
    355,654,840.80/533,780,859.60 = 161,864,479.20/x
  3. Step 3: Cross multiply
    355,654,840.80x = 533,780,859.60 × 161,864,479.20
  4. Step 4: Simplify right side
    355,654,840.80x = 86,400,160,846,082,320
  5. Step 5: Solve for x
    x = 86,400,160,846,082,320/355,654,840.80
  6. Step 6: Final answer
    x = 242,932,615.94

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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.