Home / 81,321,913,999.64-112,222,731,571.80-44,699,246,441.86

Finding the Fourth Proportional to 81,321,913,999.64, 112,222,731,571.80 and 44,699,246,441.86

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Solution

The fourth proportional to 81,321,913,999.64, 112,222,731,571.80 and 44,699,246,441.86 is: 61,684,130,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,321,913,999.64 : 112,222,731,571.80 = 44,699,246,441.86 : x
  2. Step 2: Convert to fraction form
    81,321,913,999.64/112,222,731,571.80 = 44,699,246,441.86/x
  3. Step 3: Cross multiply
    81,321,913,999.64x = 112,222,731,571.80 × 44,699,246,441.86
  4. Step 4: Simplify right side
    81,321,913,999.64x = 5,016,271,534,906,591,412,224
  5. Step 5: Solve for x
    x = 5,016,271,534,906,591,412,224/81,321,913,999.64
  6. Step 6: Final answer
    x = 61,684,130,244.76

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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.