Home / 158,381,383,113.54-218,570,451,072.66-86,127,673,785.77

Finding the Fourth Proportional to 158,381,383,113.54, 218,570,451,072.66 and 86,127,673,785.77

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Solution

The fourth proportional to 158,381,383,113.54, 218,570,451,072.66 and 86,127,673,785.77 is: 118,858,442,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,383,113.54 : 218,570,451,072.66 = 86,127,673,785.77 : x
  2. Step 2: Convert to fraction form
    158,381,383,113.54/218,570,451,072.66 = 86,127,673,785.77/x
  3. Step 3: Cross multiply
    158,381,383,113.54x = 218,570,451,072.66 × 86,127,673,785.77
  4. Step 4: Simplify right side
    158,381,383,113.54x = 18,824,964,509,195,101,536,256
  5. Step 5: Solve for x
    x = 18,824,964,509,195,101,536,256/158,381,383,113.54
  6. Step 6: Final answer
    x = 118,858,442,445.22

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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.