Home / 206,510,488.32-285,005,060.28-154,208,722.26

Finding the Fourth Proportional to 206,510,488.32, 285,005,060.28 and 154,208,722.26

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Solution

The fourth proportional to 206,510,488.32, 285,005,060.28 and 154,208,722.26 is: 212,823,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,510,488.32 : 285,005,060.28 = 154,208,722.26 : x
  2. Step 2: Convert to fraction form
    206,510,488.32/285,005,060.28 = 154,208,722.26/x
  3. Step 3: Cross multiply
    206,510,488.32x = 285,005,060.28 × 154,208,722.26
  4. Step 4: Simplify right side
    206,510,488.32x = 43,950,266,183,413,072
  5. Step 5: Solve for x
    x = 43,950,266,183,413,072/206,510,488.32
  6. Step 6: Final answer
    x = 212,823,409.31

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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.