Home / 148,505,029,416.40-204,936,962,702.56-80,840,133,314.32

Finding the Fourth Proportional to 148,505,029,416.40, 204,936,962,702.56 and 80,840,133,314.32

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Solution

The fourth proportional to 148,505,029,416.40, 204,936,962,702.56 and 80,840,133,314.32 is: 111,559,396,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,505,029,416.40 : 204,936,962,702.56 = 80,840,133,314.32 : x
  2. Step 2: Convert to fraction form
    148,505,029,416.40/204,936,962,702.56 = 80,840,133,314.32/x
  3. Step 3: Cross multiply
    148,505,029,416.40x = 204,936,962,702.56 × 80,840,133,314.32
  4. Step 4: Simplify right side
    148,505,029,416.40x = 16,567,131,385,906,776,244,224
  5. Step 5: Solve for x
    x = 16,567,131,385,906,776,244,224/148,505,029,416.40
  6. Step 6: Final answer
    x = 111,559,396,008.42

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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.