Home / 305,910,878.04-422,157,072.24-166,681,639.89

Finding the Fourth Proportional to 305,910,878.04, 422,157,072.24 and 166,681,639.89

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Solution

The fourth proportional to 305,910,878.04, 422,157,072.24 and 166,681,639.89 is: 230,020,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,910,878.04 : 422,157,072.24 = 166,681,639.89 : x
  2. Step 2: Convert to fraction form
    305,910,878.04/422,157,072.24 = 166,681,639.89/x
  3. Step 3: Cross multiply
    305,910,878.04x = 422,157,072.24 × 166,681,639.89
  4. Step 4: Simplify right side
    305,910,878.04x = 70,365,833,092,124,392
  5. Step 5: Solve for x
    x = 70,365,833,092,124,392/305,910,878.04
  6. Step 6: Final answer
    x = 230,020,696.04

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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.