Home / 310,307,297.88-428,227,043.65-171,083,052.84

Finding the Fourth Proportional to 310,307,297.88, 428,227,043.65 and 171,083,052.84

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Solution

The fourth proportional to 310,307,297.88, 428,227,043.65 and 171,083,052.84 is: 236,096,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,307,297.88 : 428,227,043.65 = 171,083,052.84 : x
  2. Step 2: Convert to fraction form
    310,307,297.88/428,227,043.65 = 171,083,052.84/x
  3. Step 3: Cross multiply
    310,307,297.88x = 428,227,043.65 × 171,083,052.84
  4. Step 4: Simplify right side
    310,307,297.88x = 73,262,389,935,862,224
  5. Step 5: Solve for x
    x = 73,262,389,935,862,224/310,307,297.88
  6. Step 6: Final answer
    x = 236,096,251.80

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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.