Home / 229,947,719.78-317,285,397.60-130,822,680.26

Finding the Fourth Proportional to 229,947,719.78, 317,285,397.60 and 130,822,680.26

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Solution

The fourth proportional to 229,947,719.78, 317,285,397.60 and 130,822,680.26 is: 180,511,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,947,719.78 : 317,285,397.60 = 130,822,680.26 : x
  2. Step 2: Convert to fraction form
    229,947,719.78/317,285,397.60 = 130,822,680.26/x
  3. Step 3: Cross multiply
    229,947,719.78x = 317,285,397.60 × 130,822,680.26
  4. Step 4: Simplify right side
    229,947,719.78x = 41,508,126,121,391,776
  5. Step 5: Solve for x
    x = 41,508,126,121,391,776/229,947,719.78
  6. Step 6: Final answer
    x = 180,511,144.71

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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.