Home / 161,448,698.34-222,868,072.67-108,556,064.03

Finding the Fourth Proportional to 161,448,698.34, 222,868,072.67 and 108,556,064.03

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Solution

The fourth proportional to 161,448,698.34, 222,868,072.67 and 108,556,064.03 is: 149,853,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,448,698.34 : 222,868,072.67 = 108,556,064.03 : x
  2. Step 2: Convert to fraction form
    161,448,698.34/222,868,072.67 = 108,556,064.03/x
  3. Step 3: Cross multiply
    161,448,698.34x = 222,868,072.67 × 108,556,064.03
  4. Step 4: Simplify right side
    161,448,698.34x = 24,193,680,765,892,872
  5. Step 5: Solve for x
    x = 24,193,680,765,892,872/161,448,698.34
  6. Step 6: Final answer
    x = 149,853,674.98

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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.