Home / 65,505,028,808.80-98,257,543,213.20-54,621,117,128.80

Finding the Fourth Proportional to 65,505,028,808.80, 98,257,543,213.20 and 54,621,117,128.80

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Solution

The fourth proportional to 65,505,028,808.80, 98,257,543,213.20 and 54,621,117,128.80 is: 81,931,675,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,505,028,808.80 : 98,257,543,213.20 = 54,621,117,128.80 : x
  2. Step 2: Convert to fraction form
    65,505,028,808.80/98,257,543,213.20 = 54,621,117,128.80/x
  3. Step 3: Cross multiply
    65,505,028,808.80x = 98,257,543,213.20 × 54,621,117,128.80
  4. Step 4: Simplify right side
    65,505,028,808.80x = 5,366,936,776,636,324,904,960
  5. Step 5: Solve for x
    x = 5,366,936,776,636,324,904,960/65,505,028,808.80
  6. Step 6: Final answer
    x = 81,931,675,693.20

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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.