Home / 74,922,257.31-112,380,819.84-31,763,668.83

Finding the Fourth Proportional to 74,922,257.31, 112,380,819.84 and 31,763,668.83

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Solution

The fourth proportional to 74,922,257.31, 112,380,819.84 and 31,763,668.83 is: 47,644,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,922,257.31 : 112,380,819.84 = 31,763,668.83 : x
  2. Step 2: Convert to fraction form
    74,922,257.31/112,380,819.84 = 31,763,668.83/x
  3. Step 3: Cross multiply
    74,922,257.31x = 112,380,819.84 × 31,763,668.83
  4. Step 4: Simplify right side
    74,922,257.31x = 3,569,627,144,241,653.50
  5. Step 5: Solve for x
    x = 3,569,627,144,241,653.50/74,922,257.31
  6. Step 6: Final answer
    x = 47,644,415.32

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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.