Home / 171,072,013.80-256,608,020.70-102,879,604.20

Finding the Fourth Proportional to 171,072,013.80, 256,608,020.70 and 102,879,604.20

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Solution

The fourth proportional to 171,072,013.80, 256,608,020.70 and 102,879,604.20 is: 154,319,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,013.80 : 256,608,020.70 = 102,879,604.20 : x
  2. Step 2: Convert to fraction form
    171,072,013.80/256,608,020.70 = 102,879,604.20/x
  3. Step 3: Cross multiply
    171,072,013.80x = 256,608,020.70 × 102,879,604.20
  4. Step 4: Simplify right side
    171,072,013.80x = 26,399,731,604,161,408
  5. Step 5: Solve for x
    x = 26,399,731,604,161,408/171,072,013.80
  6. Step 6: Final answer
    x = 154,319,406.30

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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.