Home / 279,049,581.85-385,125,092.28-160,018,755.28

Finding the Fourth Proportional to 279,049,581.85, 385,125,092.28 and 160,018,755.28

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Solution

The fourth proportional to 279,049,581.85, 385,125,092.28 and 160,018,755.28 is: 220,846,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,049,581.85 : 385,125,092.28 = 160,018,755.28 : x
  2. Step 2: Convert to fraction form
    279,049,581.85/385,125,092.28 = 160,018,755.28/x
  3. Step 3: Cross multiply
    279,049,581.85x = 385,125,092.28 × 160,018,755.28
  4. Step 4: Simplify right side
    279,049,581.85x = 61,627,237,893,740,736
  5. Step 5: Solve for x
    x = 61,627,237,893,740,736/279,049,581.85
  6. Step 6: Final answer
    x = 220,846,910.02

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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.