Home / 51,178,067.47-76,780,565.84-18,391,948.57

Finding the Fourth Proportional to 51,178,067.47, 76,780,565.84 and 18,391,948.57

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Solution

The fourth proportional to 51,178,067.47, 76,780,565.84 and 18,391,948.57 is: 27,592,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178,067.47 : 76,780,565.84 = 18,391,948.57 : x
  2. Step 2: Convert to fraction form
    51,178,067.47/76,780,565.84 = 18,391,948.57/x
  3. Step 3: Cross multiply
    51,178,067.47x = 76,780,565.84 × 18,391,948.57
  4. Step 4: Simplify right side
    51,178,067.47x = 1,412,144,218,104,779
  5. Step 5: Solve for x
    x = 1,412,144,218,104,779/51,178,067.47
  6. Step 6: Final answer
    x = 27,592,761.66

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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.