Home / 372,114,781.12-558,256,178.11-123,119,449.05

Finding the Fourth Proportional to 372,114,781.12, 558,256,178.11 and 123,119,449.05

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Solution

The fourth proportional to 372,114,781.12, 558,256,178.11 and 123,119,449.05 is: 184,706,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,114,781.12 : 558,256,178.11 = 123,119,449.05 : x
  2. Step 2: Convert to fraction form
    372,114,781.12/558,256,178.11 = 123,119,449.05/x
  3. Step 3: Cross multiply
    372,114,781.12x = 558,256,178.11 × 123,119,449.05
  4. Step 4: Simplify right side
    372,114,781.12x = 68,732,193,076,190,056
  5. Step 5: Solve for x
    x = 68,732,193,076,190,056/372,114,781.12
  6. Step 6: Final answer
    x = 184,706,968.29

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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.