Home / 248,816,550.25-343,366,987.07-138,808,263.25

Finding the Fourth Proportional to 248,816,550.25, 343,366,987.07 and 138,808,263.25

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Solution

The fourth proportional to 248,816,550.25, 343,366,987.07 and 138,808,263.25 is: 191,555,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,550.25 : 343,366,987.07 = 138,808,263.25 : x
  2. Step 2: Convert to fraction form
    248,816,550.25/343,366,987.07 = 138,808,263.25/x
  3. Step 3: Cross multiply
    248,816,550.25x = 343,366,987.07 × 138,808,263.25
  4. Step 4: Simplify right side
    248,816,550.25x = 47,662,175,132,571,904
  5. Step 5: Solve for x
    x = 47,662,175,132,571,904/248,816,550.25
  6. Step 6: Final answer
    x = 191,555,485.70

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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.