Home / 206,901,811.42-285,593,688.27-123,296,159.16

Finding the Fourth Proportional to 206,901,811.42, 285,593,688.27 and 123,296,159.16

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Solution

The fourth proportional to 206,901,811.42, 285,593,688.27 and 123,296,159.16 is: 170,189,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,901,811.42 : 285,593,688.27 = 123,296,159.16 : x
  2. Step 2: Convert to fraction form
    206,901,811.42/285,593,688.27 = 123,296,159.16/x
  3. Step 3: Cross multiply
    206,901,811.42x = 285,593,688.27 × 123,296,159.16
  4. Step 4: Simplify right side
    206,901,811.42x = 35,212,604,844,029,340
  5. Step 5: Solve for x
    x = 35,212,604,844,029,340/206,901,811.42
  6. Step 6: Final answer
    x = 170,189,930.20

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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.