Home / 123,198,022,913.61-184,478,771,658.33-85,027,029,114.18

Finding the Fourth Proportional to 123,198,022,913.61, 184,478,771,658.33 and 85,027,029,114.18

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Solution

The fourth proportional to 123,198,022,913.61, 184,478,771,658.33 and 85,027,029,114.18 is: 127,320,889,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,198,022,913.61 : 184,478,771,658.33 = 85,027,029,114.18 : x
  2. Step 2: Convert to fraction form
    123,198,022,913.61/184,478,771,658.33 = 85,027,029,114.18/x
  3. Step 3: Cross multiply
    123,198,022,913.61x = 184,478,771,658.33 × 85,027,029,114.18
  4. Step 4: Simplify right side
    123,198,022,913.61x = 15,685,681,888,740,985,798,656
  5. Step 5: Solve for x
    x = 15,685,681,888,740,985,798,656/123,198,022,913.61
  6. Step 6: Final answer
    x = 127,320,889,717.04

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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.