Home / 279,454,082.88-385,649,267.67-154,010,795.55

Finding the Fourth Proportional to 279,454,082.88, 385,649,267.67 and 154,010,795.55

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Solution

The fourth proportional to 279,454,082.88, 385,649,267.67 and 154,010,795.55 is: 212,536,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,454,082.88 : 385,649,267.67 = 154,010,795.55 : x
  2. Step 2: Convert to fraction form
    279,454,082.88/385,649,267.67 = 154,010,795.55/x
  3. Step 3: Cross multiply
    279,454,082.88x = 385,649,267.67 × 154,010,795.55
  4. Step 4: Simplify right side
    279,454,082.88x = 59,394,150,517,131,600
  5. Step 5: Solve for x
    x = 59,394,150,517,131,600/279,454,082.88
  6. Step 6: Final answer
    x = 212,536,349.10

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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.