Home / 228,364,078.02-315,142,731.75-123,942,149.34

Finding the Fourth Proportional to 228,364,078.02, 315,142,731.75 and 123,942,149.34

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Solution

The fourth proportional to 228,364,078.02, 315,142,731.75 and 123,942,149.34 is: 171,040,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364,078.02 : 315,142,731.75 = 123,942,149.34 : x
  2. Step 2: Convert to fraction form
    228,364,078.02/315,142,731.75 = 123,942,149.34/x
  3. Step 3: Cross multiply
    228,364,078.02x = 315,142,731.75 × 123,942,149.34
  4. Step 4: Simplify right side
    228,364,078.02x = 39,059,467,521,974,064
  5. Step 5: Solve for x
    x = 39,059,467,521,974,064/228,364,078.02
  6. Step 6: Final answer
    x = 171,040,331.13

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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.