Home / 206,795,882,945.20-309,759,423,601.92-131,210,126,774.32

Finding the Fourth Proportional to 206,795,882,945.20, 309,759,423,601.92 and 131,210,126,774.32

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Solution

The fourth proportional to 206,795,882,945.20, 309,759,423,601.92 and 131,210,126,774.32 is: 196,539,566,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,795,882,945.20 : 309,759,423,601.92 = 131,210,126,774.32 : x
  2. Step 2: Convert to fraction form
    206,795,882,945.20/309,759,423,601.92 = 131,210,126,774.32/x
  3. Step 3: Cross multiply
    206,795,882,945.20x = 309,759,423,601.92 × 131,210,126,774.32
  4. Step 4: Simplify right side
    206,795,882,945.20x = 40,643,573,240,348,215,869,440
  5. Step 5: Solve for x
    x = 40,643,573,240,348,215,869,440/206,795,882,945.20
  6. Step 6: Final answer
    x = 196,539,566,752.97

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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.