Home / 279,454,081.37-385,649,265.59-154,010,794.05

Finding the Fourth Proportional to 279,454,081.37, 385,649,265.59 and 154,010,794.05

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Solution

The fourth proportional to 279,454,081.37, 385,649,265.59 and 154,010,794.05 is: 212,536,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,454,081.37 : 385,649,265.59 = 154,010,794.05 : x
  2. Step 2: Convert to fraction form
    279,454,081.37/385,649,265.59 = 154,010,794.05/x
  3. Step 3: Cross multiply
    279,454,081.37x = 385,649,265.59 × 154,010,794.05
  4. Step 4: Simplify right side
    279,454,081.37x = 59,394,149,617,545,192
  5. Step 5: Solve for x
    x = 59,394,149,617,545,192/279,454,081.37
  6. Step 6: Final answer
    x = 212,536,347.04

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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.