Home / 76,560,511-114,888,573.06-51,019,441.24

Finding the Fourth Proportional to 76,560,511, 114,888,573.06 and 51,019,441.24

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Solution

The fourth proportional to 76,560,511, 114,888,573.06 and 51,019,441.24 is: 76,561,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,560,511 : 114,888,573.06 = 51,019,441.24 : x
  2. Step 2: Convert to fraction form
    76,560,511/114,888,573.06 = 51,019,441.24/x
  3. Step 3: Cross multiply
    76,560,511x = 114,888,573.06 × 51,019,441.24
  4. Step 4: Simplify right side
    76,560,511x = 5,861,550,802,382,117
  5. Step 5: Solve for x
    x = 5,861,550,802,382,117/76,560,511
  6. Step 6: Final answer
    x = 76,561,019.85

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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.