Home / 279,449,704.84-385,629,364.98-152,287,682.88

Finding the Fourth Proportional to 279,449,704.84, 385,629,364.98 and 152,287,682.88

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Solution

The fourth proportional to 279,449,704.84, 385,629,364.98 and 152,287,682.88 is: 210,150,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,449,704.84 : 385,629,364.98 = 152,287,682.88 : x
  2. Step 2: Convert to fraction form
    279,449,704.84/385,629,364.98 = 152,287,682.88/x
  3. Step 3: Cross multiply
    279,449,704.84x = 385,629,364.98 × 152,287,682.88
  4. Step 4: Simplify right side
    279,449,704.84x = 58,726,602,441,361,872
  5. Step 5: Solve for x
    x = 58,726,602,441,361,872/279,449,704.84
  6. Step 6: Final answer
    x = 210,150,883.77

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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.