Home / 206,641,246,945.65-285,164,918,468.55-111,594,086,977.64

Finding the Fourth Proportional to 206,641,246,945.65, 285,164,918,468.55 and 111,594,086,977.64

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Solution

The fourth proportional to 206,641,246,945.65, 285,164,918,468.55 and 111,594,086,977.64 is: 153,999,838,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,641,246,945.65 : 285,164,918,468.55 = 111,594,086,977.64 : x
  2. Step 2: Convert to fraction form
    206,641,246,945.65/285,164,918,468.55 = 111,594,086,977.64/x
  3. Step 3: Cross multiply
    206,641,246,945.65x = 285,164,918,468.55 × 111,594,086,977.64
  4. Step 4: Simplify right side
    206,641,246,945.65x = 31,822,718,714,550,987,784,192
  5. Step 5: Solve for x
    x = 31,822,718,714,550,987,784,192/206,641,246,945.65
  6. Step 6: Final answer
    x = 153,999,838,778.17

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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.