Home / 126,762,629.40-190,285,661.70-98,135,674.20

Finding the Fourth Proportional to 126,762,629.40, 190,285,661.70 and 98,135,674.20

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Solution

The fourth proportional to 126,762,629.40, 190,285,661.70 and 98,135,674.20 is: 147,313,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,762,629.40 : 190,285,661.70 = 98,135,674.20 : x
  2. Step 2: Convert to fraction form
    126,762,629.40/190,285,661.70 = 98,135,674.20/x
  3. Step 3: Cross multiply
    126,762,629.40x = 190,285,661.70 × 98,135,674.20
  4. Step 4: Simplify right side
    126,762,629.40x = 18,673,811,701,522,616
  5. Step 5: Solve for x
    x = 18,673,811,701,522,616/126,762,629.40
  6. Step 6: Final answer
    x = 147,313,224.65

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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.