Home / 68,977,716,250.32-103,465,884,609.36-21,814,198,172.64

Finding the Fourth Proportional to 68,977,716,250.32, 103,465,884,609.36 and 21,814,198,172.64

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Solution

The fourth proportional to 68,977,716,250.32, 103,465,884,609.36 and 21,814,198,172.64 is: 32,721,079,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977,716,250.32 : 103,465,884,609.36 = 21,814,198,172.64 : x
  2. Step 2: Convert to fraction form
    68,977,716,250.32/103,465,884,609.36 = 21,814,198,172.64/x
  3. Step 3: Cross multiply
    68,977,716,250.32x = 103,465,884,609.36 × 21,814,198,172.64
  4. Step 4: Simplify right side
    68,977,716,250.32x = 2,257,025,310,976,081,920,000
  5. Step 5: Solve for x
    x = 2,257,025,310,976,081,920,000/68,977,716,250.32
  6. Step 6: Final answer
    x = 32,721,079,120.47

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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.