Home / 51,072,833.64-76,643,950.86-20,786,207.88

Finding the Fourth Proportional to 51,072,833.64, 76,643,950.86 and 20,786,207.88

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Solution

The fourth proportional to 51,072,833.64, 76,643,950.86 and 20,786,207.88 is: 31,193,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072,833.64 : 76,643,950.86 = 20,786,207.88 : x
  2. Step 2: Convert to fraction form
    51,072,833.64/76,643,950.86 = 20,786,207.88/x
  3. Step 3: Cross multiply
    51,072,833.64x = 76,643,950.86 × 20,786,207.88
  4. Step 4: Simplify right side
    51,072,833.64x = 1,593,137,095,320,464.75
  5. Step 5: Solve for x
    x = 1,593,137,095,320,464.75/51,072,833.64
  6. Step 6: Final answer
    x = 31,193,434.59

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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.