Home / 206,510,475.92-285,005,043.23-154,208,709.90

Finding the Fourth Proportional to 206,510,475.92, 285,005,043.23 and 154,208,709.90

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Solution

The fourth proportional to 206,510,475.92, 285,005,043.23 and 154,208,709.90 is: 212,823,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,510,475.92 : 285,005,043.23 = 154,208,709.90 : x
  2. Step 2: Convert to fraction form
    206,510,475.92/285,005,043.23 = 154,208,709.90/x
  3. Step 3: Cross multiply
    206,510,475.92x = 285,005,043.23 × 154,208,709.90
  4. Step 4: Simplify right side
    206,510,475.92x = 43,950,260,030,720,992
  5. Step 5: Solve for x
    x = 43,950,260,030,720,992/206,510,475.92
  6. Step 6: Final answer
    x = 212,823,392.30

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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.