Home / 206,198,865.38-284,552,433.69-112,113,011.03

Finding the Fourth Proportional to 206,198,865.38, 284,552,433.69 and 112,113,011.03

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Solution

The fourth proportional to 206,198,865.38, 284,552,433.69 and 112,113,011.03 is: 154,714,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,198,865.38 : 284,552,433.69 = 112,113,011.03 : x
  2. Step 2: Convert to fraction form
    206,198,865.38/284,552,433.69 = 112,113,011.03/x
  3. Step 3: Cross multiply
    206,198,865.38x = 284,552,433.69 × 112,113,011.03
  4. Step 4: Simplify right side
    206,198,865.38x = 31,902,030,137,879,172
  5. Step 5: Solve for x
    x = 31,902,030,137,879,172/206,198,865.38
  6. Step 6: Final answer
    x = 154,714,867.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.