Home / 82,635,752,009.20-123,769,962,004.20-71,615,791,433.20

Finding the Fourth Proportional to 82,635,752,009.20, 123,769,962,004.20 and 71,615,791,433.20

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Solution

The fourth proportional to 82,635,752,009.20, 123,769,962,004.20 and 71,615,791,433.20 is: 107,264,514,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,635,752,009.20 : 123,769,962,004.20 = 71,615,791,433.20 : x
  2. Step 2: Convert to fraction form
    82,635,752,009.20/123,769,962,004.20 = 71,615,791,433.20/x
  3. Step 3: Cross multiply
    82,635,752,009.20x = 123,769,962,004.20 × 71,615,791,433.20
  4. Step 4: Simplify right side
    82,635,752,009.20x = 8,863,883,784,587,875,188,736
  5. Step 5: Solve for x
    x = 8,863,883,784,587,875,188,736/82,635,752,009.20
  6. Step 6: Final answer
    x = 107,264,514,076.20

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1.5x scale

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.