Home / 78,874,704.40-118,312,056.60-22,133,635.60

Finding the Fourth Proportional to 78,874,704.40, 118,312,056.60 and 22,133,635.60

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Solution

The fourth proportional to 78,874,704.40, 118,312,056.60 and 22,133,635.60 is: 33,200,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,874,704.40 : 118,312,056.60 = 22,133,635.60 : x
  2. Step 2: Convert to fraction form
    78,874,704.40/118,312,056.60 = 22,133,635.60/x
  3. Step 3: Cross multiply
    78,874,704.40x = 118,312,056.60 × 22,133,635.60
  4. Step 4: Simplify right side
    78,874,704.40x = 2,618,675,947,870,975
  5. Step 5: Solve for x
    x = 2,618,675,947,870,975/78,874,704.40
  6. Step 6: Final answer
    x = 33,200,453.40

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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.