Home / 172,383,878.03-237,894,798.72-94,072,479.13

Finding the Fourth Proportional to 172,383,878.03, 237,894,798.72 and 94,072,479.13

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Solution

The fourth proportional to 172,383,878.03, 237,894,798.72 and 94,072,479.13 is: 129,822,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,383,878.03 : 237,894,798.72 = 94,072,479.13 : x
  2. Step 2: Convert to fraction form
    172,383,878.03/237,894,798.72 = 94,072,479.13/x
  3. Step 3: Cross multiply
    172,383,878.03x = 237,894,798.72 × 94,072,479.13
  4. Step 4: Simplify right side
    172,383,878.03x = 22,379,353,488,372,888
  5. Step 5: Solve for x
    x = 22,379,353,488,372,888/172,383,878.03
  6. Step 6: Final answer
    x = 129,822,775.45

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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.