Home / 305,910,879.04-422,157,073.62-166,681,640.89

Finding the Fourth Proportional to 305,910,879.04, 422,157,073.62 and 166,681,640.89

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Solution

The fourth proportional to 305,910,879.04, 422,157,073.62 and 166,681,640.89 is: 230,020,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,910,879.04 : 422,157,073.62 = 166,681,640.89 : x
  2. Step 2: Convert to fraction form
    305,910,879.04/422,157,073.62 = 166,681,640.89/x
  3. Step 3: Cross multiply
    305,910,879.04x = 422,157,073.62 × 166,681,640.89
  4. Step 4: Simplify right side
    305,910,879.04x = 70,365,833,744,302,128
  5. Step 5: Solve for x
    x = 70,365,833,744,302,128/305,910,879.04
  6. Step 6: Final answer
    x = 230,020,697.42

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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.