Home / 279,049,647.75-385,125,183.14-160,018,821.15

Finding the Fourth Proportional to 279,049,647.75, 385,125,183.14 and 160,018,821.15

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Solution

The fourth proportional to 279,049,647.75, 385,125,183.14 and 160,018,821.15 is: 220,847,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,049,647.75 : 385,125,183.14 = 160,018,821.15 : x
  2. Step 2: Convert to fraction form
    279,049,647.75/385,125,183.14 = 160,018,821.15/x
  3. Step 3: Cross multiply
    279,049,647.75x = 385,125,183.14 × 160,018,821.15
  4. Step 4: Simplify right side
    279,049,647.75x = 61,627,277,800,440,560
  5. Step 5: Solve for x
    x = 61,627,277,800,440,560/279,049,647.75
  6. Step 6: Final answer
    x = 220,847,000.87

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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.