Home / 279,504,058.26-385,744,302.63-168,030,987.42

Finding the Fourth Proportional to 279,504,058.26, 385,744,302.63 and 168,030,987.42

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Solution

The fourth proportional to 279,504,058.26, 385,744,302.63 and 168,030,987.42 is: 231,900,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,504,058.26 : 385,744,302.63 = 168,030,987.42 : x
  2. Step 2: Convert to fraction form
    279,504,058.26/385,744,302.63 = 168,030,987.42/x
  3. Step 3: Cross multiply
    279,504,058.26x = 385,744,302.63 × 168,030,987.42
  4. Step 4: Simplify right side
    279,504,058.26x = 64,816,996,062,558,200
  5. Step 5: Solve for x
    x = 64,816,996,062,558,200/279,504,058.26
  6. Step 6: Final answer
    x = 231,900,017.72

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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.