Home / 199,632,025.80-299,448,038.70-122,033,766.60

Finding the Fourth Proportional to 199,632,025.80, 299,448,038.70 and 122,033,766.60

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Solution

The fourth proportional to 199,632,025.80, 299,448,038.70 and 122,033,766.60 is: 183,050,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,632,025.80 : 299,448,038.70 = 122,033,766.60 : x
  2. Step 2: Convert to fraction form
    199,632,025.80/299,448,038.70 = 122,033,766.60/x
  3. Step 3: Cross multiply
    199,632,025.80x = 299,448,038.70 × 122,033,766.60
  4. Step 4: Simplify right side
    199,632,025.80x = 36,542,772,063,543,568
  5. Step 5: Solve for x
    x = 36,542,772,063,543,568/199,632,025.80
  6. Step 6: Final answer
    x = 183,050,649.90

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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.