Home / 171,515,315.57-256,599,506.88-132,357,930.66

Finding the Fourth Proportional to 171,515,315.57, 256,599,506.88 and 132,357,930.66

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Solution

The fourth proportional to 171,515,315.57, 256,599,506.88 and 132,357,930.66 is: 198,017,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,515,315.57 : 256,599,506.88 = 132,357,930.66 : x
  2. Step 2: Convert to fraction form
    171,515,315.57/256,599,506.88 = 132,357,930.66/x
  3. Step 3: Cross multiply
    171,515,315.57x = 256,599,506.88 × 132,357,930.66
  4. Step 4: Simplify right side
    171,515,315.57x = 33,962,979,739,013,232
  5. Step 5: Solve for x
    x = 33,962,979,739,013,232/171,515,315.57
  6. Step 6: Final answer
    x = 198,017,183.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.