Home / 248,816,549.25-343,366,985.69-138,808,262.25

Finding the Fourth Proportional to 248,816,549.25, 343,366,985.69 and 138,808,262.25

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Solution

The fourth proportional to 248,816,549.25, 343,366,985.69 and 138,808,262.25 is: 191,555,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,549.25 : 343,366,985.69 = 138,808,262.25 : x
  2. Step 2: Convert to fraction form
    248,816,549.25/343,366,985.69 = 138,808,262.25/x
  3. Step 3: Cross multiply
    248,816,549.25x = 343,366,985.69 × 138,808,262.25
  4. Step 4: Simplify right side
    248,816,549.25x = 47,662,174,597,476,008
  5. Step 5: Solve for x
    x = 47,662,174,597,476,008/248,816,549.25
  6. Step 6: Final answer
    x = 191,555,484.32

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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.