Home / 214,527,765.72-321,792,733.32-66,962,955.84

Finding the Fourth Proportional to 214,527,765.72, 321,792,733.32 and 66,962,955.84

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Solution

The fourth proportional to 214,527,765.72, 321,792,733.32 and 66,962,955.84 is: 100,444,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,527,765.72 : 321,792,733.32 = 66,962,955.84 : x
  2. Step 2: Convert to fraction form
    214,527,765.72/321,792,733.32 = 66,962,955.84/x
  3. Step 3: Cross multiply
    214,527,765.72x = 321,792,733.32 × 66,962,955.84
  4. Step 4: Simplify right side
    214,527,765.72x = 21,548,192,590,940,056
  5. Step 5: Solve for x
    x = 21,548,192,590,940,056/214,527,765.72
  6. Step 6: Final answer
    x = 100,444,772.35

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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.