Home / 207,121,900.47-285,935,687.24-151,304,644.95

Finding the Fourth Proportional to 207,121,900.47, 285,935,687.24 and 151,304,644.95

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Solution

The fourth proportional to 207,121,900.47, 285,935,687.24 and 151,304,644.95 is: 208,878,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,121,900.47 : 285,935,687.24 = 151,304,644.95 : x
  2. Step 2: Convert to fraction form
    207,121,900.47/285,935,687.24 = 151,304,644.95/x
  3. Step 3: Cross multiply
    207,121,900.47x = 285,935,687.24 × 151,304,644.95
  4. Step 4: Simplify right side
    207,121,900.47x = 43,263,397,635,625,920
  5. Step 5: Solve for x
    x = 43,263,397,635,625,920/207,121,900.47
  6. Step 6: Final answer
    x = 208,878,914.00

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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.