Home / 103,469,147,375.60-155,203,721,063.40-101,144,624,441.60

Finding the Fourth Proportional to 103,469,147,375.60, 155,203,721,063.40 and 101,144,624,441.60

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Solution

The fourth proportional to 103,469,147,375.60, 155,203,721,063.40 and 101,144,624,441.60 is: 151,716,936,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469,147,375.60 : 155,203,721,063.40 = 101,144,624,441.60 : x
  2. Step 2: Convert to fraction form
    103,469,147,375.60/155,203,721,063.40 = 101,144,624,441.60/x
  3. Step 3: Cross multiply
    103,469,147,375.60x = 155,203,721,063.40 × 101,144,624,441.60
  4. Step 4: Simplify right side
    103,469,147,375.60x = 15,698,022,078,896,435,888,128
  5. Step 5: Solve for x
    x = 15,698,022,078,896,435,888,128/103,469,147,375.60
  6. Step 6: Final answer
    x = 151,716,936,662.40

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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.