Home / 78,809,706.22-118,112,007.81-32,068,709.09

Finding the Fourth Proportional to 78,809,706.22, 118,112,007.81 and 32,068,709.09

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Solution

The fourth proportional to 78,809,706.22, 118,112,007.81 and 32,068,709.09 is: 48,061,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,809,706.22 : 118,112,007.81 = 32,068,709.09 : x
  2. Step 2: Convert to fraction form
    78,809,706.22/118,112,007.81 = 32,068,709.09/x
  3. Step 3: Cross multiply
    78,809,706.22x = 118,112,007.81 × 32,068,709.09
  4. Step 4: Simplify right side
    78,809,706.22x = 3,787,699,617,743,794.50
  5. Step 5: Solve for x
    x = 3,787,699,617,743,794.50/78,809,706.22
  6. Step 6: Final answer
    x = 48,061,334.06

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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.