Home / 146,167,039.98-219,178,815.32-72,305,480.67

Finding the Fourth Proportional to 146,167,039.98, 219,178,815.32 and 72,305,480.67

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Solution

The fourth proportional to 146,167,039.98, 219,178,815.32 and 72,305,480.67 is: 108,422,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167,039.98 : 219,178,815.32 = 72,305,480.67 : x
  2. Step 2: Convert to fraction form
    146,167,039.98/219,178,815.32 = 72,305,480.67/x
  3. Step 3: Cross multiply
    146,167,039.98x = 219,178,815.32 × 72,305,480.67
  4. Step 4: Simplify right side
    146,167,039.98x = 15,847,829,594,032,232
  5. Step 5: Solve for x
    x = 15,847,829,594,032,232/146,167,039.98
  6. Step 6: Final answer
    x = 108,422,730.57

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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.