Home / 310,286,712.51-428,198,963.00-171,062,456.53

Finding the Fourth Proportional to 310,286,712.51, 428,198,963.00 and 171,062,456.53

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Solution

The fourth proportional to 310,286,712.51, 428,198,963.00 and 171,062,456.53 is: 236,068,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,286,712.51 : 428,198,963.00 = 171,062,456.53 : x
  2. Step 2: Convert to fraction form
    310,286,712.51/428,198,963.00 = 171,062,456.53/x
  3. Step 3: Cross multiply
    310,286,712.51x = 428,198,963.00 × 171,062,456.53
  4. Step 4: Simplify right side
    310,286,712.51x = 73,248,766,494,806,240
  5. Step 5: Solve for x
    x = 73,248,766,494,806,240/310,286,712.51
  6. Step 6: Final answer
    x = 236,068,009.18

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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.