Home / 310,270,766.88-428,176,546.38-171,046,510.86

Finding the Fourth Proportional to 310,270,766.88, 428,176,546.38 and 171,046,510.86

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Solution

The fourth proportional to 310,270,766.88, 428,176,546.38 and 171,046,510.86 is: 236,045,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,270,766.88 : 428,176,546.38 = 171,046,510.86 : x
  2. Step 2: Convert to fraction form
    310,270,766.88/428,176,546.38 = 171,046,510.86/x
  3. Step 3: Cross multiply
    310,270,766.88x = 428,176,546.38 × 171,046,510.86
  4. Step 4: Simplify right side
    310,270,766.88x = 73,238,104,290,383,968
  5. Step 5: Solve for x
    x = 73,238,104,290,383,968/310,270,766.88
  6. Step 6: Final answer
    x = 236,045,777.13

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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.