Home / 272,668,622.52-409,002,992.10-68,196,719.64

Finding the Fourth Proportional to 272,668,622.52, 409,002,992.10 and 68,196,719.64

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Solution

The fourth proportional to 272,668,622.52, 409,002,992.10 and 68,196,719.64 is: 102,295,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,668,622.52 : 409,002,992.10 = 68,196,719.64 : x
  2. Step 2: Convert to fraction form
    272,668,622.52/409,002,992.10 = 68,196,719.64/x
  3. Step 3: Cross multiply
    272,668,622.52x = 409,002,992.10 × 68,196,719.64
  4. Step 4: Simplify right side
    272,668,622.52x = 27,892,662,384,164,836
  5. Step 5: Solve for x
    x = 27,892,662,384,164,836/272,668,622.52
  6. Step 6: Final answer
    x = 102,295,094.05

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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.