Home / 161,325,519,749.20-222,648,739,858.04-91,818,061,272.84

Finding the Fourth Proportional to 161,325,519,749.20, 222,648,739,858.04 and 91,818,061,272.84

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Solution

The fourth proportional to 161,325,519,749.20, 222,648,739,858.04 and 91,818,061,272.84 is: 126,720,035,803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,325,519,749.20 : 222,648,739,858.04 = 91,818,061,272.84 : x
  2. Step 2: Convert to fraction form
    161,325,519,749.20/222,648,739,858.04 = 91,818,061,272.84/x
  3. Step 3: Cross multiply
    161,325,519,749.20x = 222,648,739,858.04 × 91,818,061,272.84
  4. Step 4: Simplify right side
    161,325,519,749.20x = 20,443,175,638,606,129,659,904
  5. Step 5: Solve for x
    x = 20,443,175,638,606,129,659,904/161,325,519,749.20
  6. Step 6: Final answer
    x = 126,720,035,803.31

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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.