Home / 78,546,161.22-117,738,400.65-34,847,499.30

Finding the Fourth Proportional to 78,546,161.22, 117,738,400.65 and 34,847,499.30

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Solution

The fourth proportional to 78,546,161.22, 117,738,400.65 and 34,847,499.30 is: 52,235,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,161.22 : 117,738,400.65 = 34,847,499.30 : x
  2. Step 2: Convert to fraction form
    78,546,161.22/117,738,400.65 = 34,847,499.30/x
  3. Step 3: Cross multiply
    78,546,161.22x = 117,738,400.65 × 34,847,499.30
  4. Step 4: Simplify right side
    78,546,161.22x = 4,102,888,834,233,994.50
  5. Step 5: Solve for x
    x = 4,102,888,834,233,994.50/78,546,161.22
  6. Step 6: Final answer
    x = 52,235,383.25

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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.