Home / 228,374,702-315,157,435.08-123,952,811.48

Finding the Fourth Proportional to 228,374,702, 315,157,435.08 and 123,952,811.48

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Solution

The fourth proportional to 228,374,702, 315,157,435.08 and 123,952,811.48 is: 171,055,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,702 : 315,157,435.08 = 123,952,811.48 : x
  2. Step 2: Convert to fraction form
    228,374,702/315,157,435.08 = 123,952,811.48/x
  3. Step 3: Cross multiply
    228,374,702x = 315,157,435.08 × 123,952,811.48
  4. Step 4: Simplify right side
    228,374,702x = 39,064,650,136,991,576
  5. Step 5: Solve for x
    x = 39,064,650,136,991,576/228,374,702
  6. Step 6: Final answer
    x = 171,055,067.81

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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.