Home / 285,908,186.43-429,043,665.17-122,147,174.95

Finding the Fourth Proportional to 285,908,186.43, 429,043,665.17 and 122,147,174.95

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Solution

The fourth proportional to 285,908,186.43, 429,043,665.17 and 122,147,174.95 is: 183,298,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,908,186.43 : 429,043,665.17 = 122,147,174.95 : x
  2. Step 2: Convert to fraction form
    285,908,186.43/429,043,665.17 = 122,147,174.95/x
  3. Step 3: Cross multiply
    285,908,186.43x = 429,043,665.17 × 122,147,174.95
  4. Step 4: Simplify right side
    285,908,186.43x = 52,406,471,629,941,976
  5. Step 5: Solve for x
    x = 52,406,471,629,941,976/285,908,186.43
  6. Step 6: Final answer
    x = 183,298,254.88

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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.