Home / 50,720,676.07-69,987,065.65-28,392,501.61

Finding the Fourth Proportional to 50,720,676.07, 69,987,065.65 and 28,392,501.61

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Solution

The fourth proportional to 50,720,676.07, 69,987,065.65 and 28,392,501.61 is: 39,177,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720,676.07 : 69,987,065.65 = 28,392,501.61 : x
  2. Step 2: Convert to fraction form
    50,720,676.07/69,987,065.65 = 28,392,501.61/x
  3. Step 3: Cross multiply
    50,720,676.07x = 69,987,065.65 × 28,392,501.61
  4. Step 4: Simplify right side
    50,720,676.07x = 1,987,107,874,163,303
  5. Step 5: Solve for x
    x = 1,987,107,874,163,303/50,720,676.07
  6. Step 6: Final answer
    x = 39,177,472.15

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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.