Home / 79,190,691,591.72-109,285,225,584.85-43,063,836,928.02

Finding the Fourth Proportional to 79,190,691,591.72, 109,285,225,584.85 and 43,063,836,928.02

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Solution

The fourth proportional to 79,190,691,591.72, 109,285,225,584.85 and 43,063,836,928.02 is: 59,429,221,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190,691,591.72 : 109,285,225,584.85 = 43,063,836,928.02 : x
  2. Step 2: Convert to fraction form
    79,190,691,591.72/109,285,225,584.85 = 43,063,836,928.02/x
  3. Step 3: Cross multiply
    79,190,691,591.72x = 109,285,225,584.85 × 43,063,836,928.02
  4. Step 4: Simplify right side
    79,190,691,591.72x = 4,706,241,133,227,859,247,104
  5. Step 5: Solve for x
    x = 4,706,241,133,227,859,247,104/79,190,691,591.72
  6. Step 6: Final answer
    x = 59,429,221,271.25

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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.