Home / 228,349,287-315,122,178.06-123,927,333.48

Finding the Fourth Proportional to 228,349,287, 315,122,178.06 and 123,927,333.48

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Solution

The fourth proportional to 228,349,287, 315,122,178.06 and 123,927,333.48 is: 171,019,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,349,287 : 315,122,178.06 = 123,927,333.48 : x
  2. Step 2: Convert to fraction form
    228,349,287/315,122,178.06 = 123,927,333.48/x
  3. Step 3: Cross multiply
    228,349,287x = 315,122,178.06 × 123,927,333.48
  4. Step 4: Simplify right side
    228,349,287x = 39,052,251,247,385,560
  5. Step 5: Solve for x
    x = 39,052,251,247,385,560/228,349,287
  6. Step 6: Final answer
    x = 171,019,808.12

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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.