Home / 97,949,293,908.03-135,100,396,409.13-65,380,086,470.88

Finding the Fourth Proportional to 97,949,293,908.03, 135,100,396,409.13 and 65,380,086,470.88

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Solution

The fourth proportional to 97,949,293,908.03, 135,100,396,409.13 and 65,380,086,470.88 is: 90,178,042,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,949,293,908.03 : 135,100,396,409.13 = 65,380,086,470.88 : x
  2. Step 2: Convert to fraction form
    97,949,293,908.03/135,100,396,409.13 = 65,380,086,470.88/x
  3. Step 3: Cross multiply
    97,949,293,908.03x = 135,100,396,409.13 × 65,380,086,470.88
  4. Step 4: Simplify right side
    97,949,293,908.03x = 8,832,875,599,479,084,941,312
  5. Step 5: Solve for x
    x = 8,832,875,599,479,084,941,312/97,949,293,908.03
  6. Step 6: Final answer
    x = 90,178,042,608.18

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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.