Home / 248,254,668.83-342,578,780.91-136,743,109.08

Finding the Fourth Proportional to 248,254,668.83, 342,578,780.91 and 136,743,109.08

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Solution

The fourth proportional to 248,254,668.83, 342,578,780.91 and 136,743,109.08 is: 188,698,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,668.83 : 342,578,780.91 = 136,743,109.08 : x
  2. Step 2: Convert to fraction form
    248,254,668.83/342,578,780.91 = 136,743,109.08/x
  3. Step 3: Cross multiply
    248,254,668.83x = 342,578,780.91 × 136,743,109.08
  4. Step 4: Simplify right side
    248,254,668.83x = 46,845,287,606,469,560
  5. Step 5: Solve for x
    x = 46,845,287,606,469,560/248,254,668.83
  6. Step 6: Final answer
    x = 188,698,516.04

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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.