Home / 228,383,272.67-315,169,234.89-123,961,365.32

Finding the Fourth Proportional to 228,383,272.67, 315,169,234.89 and 123,961,365.32

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Solution

The fourth proportional to 228,383,272.67, 315,169,234.89 and 123,961,365.32 is: 171,066,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383,272.67 : 315,169,234.89 = 123,961,365.32 : x
  2. Step 2: Convert to fraction form
    228,383,272.67/315,169,234.89 = 123,961,365.32/x
  3. Step 3: Cross multiply
    228,383,272.67x = 315,169,234.89 × 123,961,365.32
  4. Step 4: Simplify right side
    228,383,272.67x = 39,068,808,663,824,176
  5. Step 5: Solve for x
    x = 39,068,808,663,824,176/228,383,272.67
  6. Step 6: Final answer
    x = 171,066,857.07

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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.