Home / 64,953,778.50-89,636,183.19-38,848,295.79

Finding the Fourth Proportional to 64,953,778.50, 89,636,183.19 and 38,848,295.79

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Solution

The fourth proportional to 64,953,778.50, 89,636,183.19 and 38,848,295.79 is: 53,610,629.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,953,778.50 : 89,636,183.19 = 38,848,295.79 : x
  2. Step 2: Convert to fraction form
    64,953,778.50/89,636,183.19 = 38,848,295.79/x
  3. Step 3: Cross multiply
    64,953,778.50x = 89,636,183.19 × 38,848,295.79
  4. Step 4: Simplify right side
    64,953,778.50x = 3,482,212,958,051,745.50
  5. Step 5: Solve for x
    x = 3,482,212,958,051,745.50/64,953,778.50
  6. Step 6: Final answer
    x = 53,610,629.57

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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.