Home / 103,469,147,356.60-155,203,721,034.90-101,144,624,422.60

Finding the Fourth Proportional to 103,469,147,356.60, 155,203,721,034.90 and 101,144,624,422.60

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Solution

The fourth proportional to 103,469,147,356.60, 155,203,721,034.90 and 101,144,624,422.60 is: 151,716,936,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469,147,356.60 : 155,203,721,034.90 = 101,144,624,422.60 : x
  2. Step 2: Convert to fraction form
    103,469,147,356.60/155,203,721,034.90 = 101,144,624,422.60/x
  3. Step 3: Cross multiply
    103,469,147,356.60x = 155,203,721,034.90 × 101,144,624,422.60
  4. Step 4: Simplify right side
    103,469,147,356.60x = 15,698,022,073,064,944,041,984
  5. Step 5: Solve for x
    x = 15,698,022,073,064,944,041,984/103,469,147,356.60
  6. Step 6: Final answer
    x = 151,716,936,633.90

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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.