Home / 310,392,047.12-428,351,365.60-169,270,967.30

Finding the Fourth Proportional to 310,392,047.12, 428,351,365.60 and 169,270,967.30

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Solution

The fourth proportional to 310,392,047.12, 428,351,365.60 and 169,270,967.30 is: 233,599,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,392,047.12 : 428,351,365.60 = 169,270,967.30 : x
  2. Step 2: Convert to fraction form
    310,392,047.12/428,351,365.60 = 169,270,967.30/x
  3. Step 3: Cross multiply
    310,392,047.12x = 428,351,365.60 × 169,270,967.30
  4. Step 4: Simplify right side
    310,392,047.12x = 72,507,449,996,823,008
  5. Step 5: Solve for x
    x = 72,507,449,996,823,008/310,392,047.12
  6. Step 6: Final answer
    x = 233,599,574.06

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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.