Home / 158,381,383,184.19-218,570,451,170.74-86,127,673,856.79

Finding the Fourth Proportional to 158,381,383,184.19, 218,570,451,170.74 and 86,127,673,856.79

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Solution

The fourth proportional to 158,381,383,184.19, 218,570,451,170.74 and 86,127,673,856.79 is: 118,858,442,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,381,383,184.19 : 218,570,451,170.74 = 86,127,673,856.79 : x
  2. Step 2: Convert to fraction form
    158,381,383,184.19/218,570,451,170.74 = 86,127,673,856.79/x
  3. Step 3: Cross multiply
    158,381,383,184.19x = 218,570,451,170.74 × 86,127,673,856.79
  4. Step 4: Simplify right side
    158,381,383,184.19x = 18,824,964,533,164,936,527,872
  5. Step 5: Solve for x
    x = 18,824,964,533,164,936,527,872/158,381,383,184.19
  6. Step 6: Final answer
    x = 118,858,442,543.54

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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.