Home / 275,122,981.56-379,672,537.26-157,645,768.76

Finding the Fourth Proportional to 275,122,981.56, 379,672,537.26 and 157,645,768.76

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Solution

The fourth proportional to 275,122,981.56, 379,672,537.26 and 157,645,768.76 is: 217,552,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,122,981.56 : 379,672,537.26 = 157,645,768.76 : x
  2. Step 2: Convert to fraction form
    275,122,981.56/379,672,537.26 = 157,645,768.76/x
  3. Step 3: Cross multiply
    275,122,981.56x = 379,672,537.26 × 157,645,768.76
  4. Step 4: Simplify right side
    275,122,981.56x = 59,853,769,013,412,440
  5. Step 5: Solve for x
    x = 59,853,769,013,412,440/275,122,981.56
  6. Step 6: Final answer
    x = 217,552,778.30

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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.