Home / 248,816,556.32-343,366,995.44-138,808,269.32

Finding the Fourth Proportional to 248,816,556.32, 343,366,995.44 and 138,808,269.32

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Solution

The fourth proportional to 248,816,556.32, 343,366,995.44 and 138,808,269.32 is: 191,555,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,556.32 : 343,366,995.44 = 138,808,269.32 : x
  2. Step 2: Convert to fraction form
    248,816,556.32/343,366,995.44 = 138,808,269.32/x
  3. Step 3: Cross multiply
    248,816,556.32x = 343,366,995.44 × 138,808,269.32
  4. Step 4: Simplify right side
    248,816,556.32x = 47,662,178,376,223,856
  5. Step 5: Solve for x
    x = 47,662,178,376,223,856/248,816,556.32
  6. Step 6: Final answer
    x = 191,555,494.06

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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.