Home / 228,365,741.48-315,145,032.90-123,943,816.04

Finding the Fourth Proportional to 228,365,741.48, 315,145,032.90 and 123,943,816.04

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Solution

The fourth proportional to 228,365,741.48, 315,145,032.90 and 123,943,816.04 is: 171,042,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,365,741.48 : 315,145,032.90 = 123,943,816.04 : x
  2. Step 2: Convert to fraction form
    228,365,741.48/315,145,032.90 = 123,943,816.04/x
  3. Step 3: Cross multiply
    228,365,741.48x = 315,145,032.90 × 123,943,816.04
  4. Step 4: Simplify right side
    228,365,741.48x = 39,060,277,983,677,344
  5. Step 5: Solve for x
    x = 39,060,277,983,677,344/228,365,741.48
  6. Step 6: Final answer
    x = 171,042,634.20

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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.