Home / 172,383,878.45-237,894,799.31-94,072,479.55

Finding the Fourth Proportional to 172,383,878.45, 237,894,799.31 and 94,072,479.55

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Solution

The fourth proportional to 172,383,878.45, 237,894,799.31 and 94,072,479.55 is: 129,822,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,383,878.45 : 237,894,799.31 = 94,072,479.55 : x
  2. Step 2: Convert to fraction form
    172,383,878.45/237,894,799.31 = 94,072,479.55/x
  3. Step 3: Cross multiply
    172,383,878.45x = 237,894,799.31 × 94,072,479.55
  4. Step 4: Simplify right side
    172,383,878.45x = 22,379,353,643,501,872
  5. Step 5: Solve for x
    x = 22,379,353,643,501,872/172,383,878.45
  6. Step 6: Final answer
    x = 129,822,776.03

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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.