Home / 310,392,051.62-428,351,371.82-169,270,971.80

Finding the Fourth Proportional to 310,392,051.62, 428,351,371.82 and 169,270,971.80

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Solution

The fourth proportional to 310,392,051.62, 428,351,371.82 and 169,270,971.80 is: 233,599,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,392,051.62 : 428,351,371.82 = 169,270,971.80 : x
  2. Step 2: Convert to fraction form
    310,392,051.62/428,351,371.82 = 169,270,971.80/x
  3. Step 3: Cross multiply
    310,392,051.62x = 428,351,371.82 × 169,270,971.80
  4. Step 4: Simplify right side
    310,392,051.62x = 72,507,452,976,846,416
  5. Step 5: Solve for x
    x = 72,507,452,976,846,416/310,392,051.62
  6. Step 6: Final answer
    x = 233,599,580.27

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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.