Home / 206,901,809.17-285,593,685.17-123,296,156.91

Finding the Fourth Proportional to 206,901,809.17, 285,593,685.17 and 123,296,156.91

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Solution

The fourth proportional to 206,901,809.17, 285,593,685.17 and 123,296,156.91 is: 170,189,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,901,809.17 : 285,593,685.17 = 123,296,156.91 : x
  2. Step 2: Convert to fraction form
    206,901,809.17/285,593,685.17 = 123,296,156.91/x
  3. Step 3: Cross multiply
    206,901,809.17x = 285,593,685.17 × 123,296,156.91
  4. Step 4: Simplify right side
    206,901,809.17x = 35,212,603,818,608,980
  5. Step 5: Solve for x
    x = 35,212,603,818,608,980/206,901,809.17
  6. Step 6: Final answer
    x = 170,189,927.10

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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.