Home / 68,272,203,944.83-94,209,196,645.80-40,800,321,172.40

Finding the Fourth Proportional to 68,272,203,944.83, 94,209,196,645.80 and 40,800,321,172.40

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Solution

The fourth proportional to 68,272,203,944.83, 94,209,196,645.80 and 40,800,321,172.40 is: 56,300,591,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,272,203,944.83 : 94,209,196,645.80 = 40,800,321,172.40 : x
  2. Step 2: Convert to fraction form
    68,272,203,944.83/94,209,196,645.80 = 40,800,321,172.40/x
  3. Step 3: Cross multiply
    68,272,203,944.83x = 94,209,196,645.80 × 40,800,321,172.40
  4. Step 4: Simplify right side
    68,272,203,944.83x = 3,843,765,480,542,052,548,608
  5. Step 5: Solve for x
    x = 3,843,765,480,542,052,548,608/68,272,203,944.83
  6. Step 6: Final answer
    x = 56,300,591,726.14

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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.