Home / 123,198,022,914.11-184,478,771,659.08-85,027,029,114.68

Finding the Fourth Proportional to 123,198,022,914.11, 184,478,771,659.08 and 85,027,029,114.68

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Solution

The fourth proportional to 123,198,022,914.11, 184,478,771,659.08 and 85,027,029,114.68 is: 127,320,889,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,198,022,914.11 : 184,478,771,659.08 = 85,027,029,114.68 : x
  2. Step 2: Convert to fraction form
    123,198,022,914.11/184,478,771,659.08 = 85,027,029,114.68/x
  3. Step 3: Cross multiply
    123,198,022,914.11x = 184,478,771,659.08 × 85,027,029,114.68
  4. Step 4: Simplify right side
    123,198,022,914.11x = 15,685,681,888,896,997,130,240
  5. Step 5: Solve for x
    x = 15,685,681,888,896,997,130,240/123,198,022,914.11
  6. Step 6: Final answer
    x = 127,320,889,717.79

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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.