Home / 228,374,912.16-315,157,611.92-123,953,004.81

Finding the Fourth Proportional to 228,374,912.16, 315,157,611.92 and 123,953,004.81

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Solution

The fourth proportional to 228,374,912.16, 315,157,611.92 and 123,953,004.81 is: 171,055,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,912.16 : 315,157,611.92 = 123,953,004.81 : x
  2. Step 2: Convert to fraction form
    228,374,912.16/315,157,611.92 = 123,953,004.81/x
  3. Step 3: Cross multiply
    228,374,912.16x = 315,157,611.92 × 123,953,004.81
  4. Step 4: Simplify right side
    228,374,912.16x = 39,064,732,985,608,112
  5. Step 5: Solve for x
    x = 39,064,732,985,608,112/228,374,912.16
  6. Step 6: Final answer
    x = 171,055,273.17

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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.