Home / 65,190,096,010.20-97,785,144,015.30-21,028,624,368.60

Finding the Fourth Proportional to 65,190,096,010.20, 97,785,144,015.30 and 21,028,624,368.60

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Solution

The fourth proportional to 65,190,096,010.20, 97,785,144,015.30 and 21,028,624,368.60 is: 31,542,936,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,096,010.20 : 97,785,144,015.30 = 21,028,624,368.60 : x
  2. Step 2: Convert to fraction form
    65,190,096,010.20/97,785,144,015.30 = 21,028,624,368.60/x
  3. Step 3: Cross multiply
    65,190,096,010.20x = 97,785,144,015.30 × 21,028,624,368.60
  4. Step 4: Simplify right side
    65,190,096,010.20x = 2,056,287,062,327,197,958,144
  5. Step 5: Solve for x
    x = 2,056,287,062,327,197,958,144/65,190,096,010.20
  6. Step 6: Final answer
    x = 31,542,936,552.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.