Home / 65,190,095,999.70-97,785,143,999.55-21,028,624,358.10

Finding the Fourth Proportional to 65,190,095,999.70, 97,785,143,999.55 and 21,028,624,358.10

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Solution

The fourth proportional to 65,190,095,999.70, 97,785,143,999.55 and 21,028,624,358.10 is: 31,542,936,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,190,095,999.70 : 97,785,143,999.55 = 21,028,624,358.10 : x
  2. Step 2: Convert to fraction form
    65,190,095,999.70/97,785,143,999.55 = 21,028,624,358.10/x
  3. Step 3: Cross multiply
    65,190,095,999.70x = 97,785,143,999.55 × 21,028,624,358.10
  4. Step 4: Simplify right side
    65,190,095,999.70x = 2,056,287,060,969,252,978,688
  5. Step 5: Solve for x
    x = 2,056,287,060,969,252,978,688/65,190,095,999.70
  6. Step 6: Final answer
    x = 31,542,936,537.15

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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.