Home / 103,469,147,355.60-155,203,721,033.40-101,144,624,421.60

Finding the Fourth Proportional to 103,469,147,355.60, 155,203,721,033.40 and 101,144,624,421.60

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Solution

The fourth proportional to 103,469,147,355.60, 155,203,721,033.40 and 101,144,624,421.60 is: 151,716,936,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,469,147,355.60 : 155,203,721,033.40 = 101,144,624,421.60 : x
  2. Step 2: Convert to fraction form
    103,469,147,355.60/155,203,721,033.40 = 101,144,624,421.60/x
  3. Step 3: Cross multiply
    103,469,147,355.60x = 155,203,721,033.40 × 101,144,624,421.60
  4. Step 4: Simplify right side
    103,469,147,355.60x = 15,698,022,072,758,023,749,632
  5. Step 5: Solve for x
    x = 15,698,022,072,758,023,749,632/103,469,147,355.60
  6. Step 6: Final answer
    x = 151,716,936,632.40

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1.5x scale

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.