Home / 87,693,435,679.44-121,003,118,237.16-51,077,577,175.20

Finding the Fourth Proportional to 87,693,435,679.44, 121,003,118,237.16 and 51,077,577,175.20

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Solution

The fourth proportional to 87,693,435,679.44, 121,003,118,237.16 and 51,077,577,175.20 is: 70,479,005,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,693,435,679.44 : 121,003,118,237.16 = 51,077,577,175.20 : x
  2. Step 2: Convert to fraction form
    87,693,435,679.44/121,003,118,237.16 = 51,077,577,175.20/x
  3. Step 3: Cross multiply
    87,693,435,679.44x = 121,003,118,237.16 × 51,077,577,175.20
  4. Step 4: Simplify right side
    87,693,435,679.44x = 6,180,546,110,198,389,932,032
  5. Step 5: Solve for x
    x = 6,180,546,110,198,389,932,032/87,693,435,679.44
  6. Step 6: Final answer
    x = 70,479,005,210.73

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Double scale
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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.