Home / 171,072,080.80-256,608,121.20-102,879,671.20

Finding the Fourth Proportional to 171,072,080.80, 256,608,121.20 and 102,879,671.20

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Solution

The fourth proportional to 171,072,080.80, 256,608,121.20 and 102,879,671.20 is: 154,319,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,080.80 : 256,608,121.20 = 102,879,671.20 : x
  2. Step 2: Convert to fraction form
    171,072,080.80/256,608,121.20 = 102,879,671.20/x
  3. Step 3: Cross multiply
    171,072,080.80x = 256,608,121.20 × 102,879,671.20
  4. Step 4: Simplify right side
    171,072,080.80x = 26,399,759,136,305,748
  5. Step 5: Solve for x
    x = 26,399,759,136,305,748/171,072,080.80
  6. Step 6: Final answer
    x = 154,319,506.80

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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.