Home / 51,178,064.97-76,780,562.09-18,391,946.07

Finding the Fourth Proportional to 51,178,064.97, 76,780,562.09 and 18,391,946.07

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Solution

The fourth proportional to 51,178,064.97, 76,780,562.09 and 18,391,946.07 is: 27,592,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178,064.97 : 76,780,562.09 = 18,391,946.07 : x
  2. Step 2: Convert to fraction form
    51,178,064.97/76,780,562.09 = 18,391,946.07/x
  3. Step 3: Cross multiply
    51,178,064.97x = 76,780,562.09 × 18,391,946.07
  4. Step 4: Simplify right side
    51,178,064.97x = 1,412,143,957,091,606.75
  5. Step 5: Solve for x
    x = 1,412,143,957,091,606.75/51,178,064.97
  6. Step 6: Final answer
    x = 27,592,757.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.