Home / 217,048,014.40-325,572,021.60-148,173,260.80

Finding the Fourth Proportional to 217,048,014.40, 325,572,021.60 and 148,173,260.80

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Solution

The fourth proportional to 217,048,014.40, 325,572,021.60 and 148,173,260.80 is: 222,259,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048,014.40 : 325,572,021.60 = 148,173,260.80 : x
  2. Step 2: Convert to fraction form
    217,048,014.40/325,572,021.60 = 148,173,260.80/x
  3. Step 3: Cross multiply
    217,048,014.40x = 325,572,021.60 × 148,173,260.80
  4. Step 4: Simplify right side
    217,048,014.40x = 48,241,068,065,720,040
  5. Step 5: Solve for x
    x = 48,241,068,065,720,040/217,048,014.40
  6. Step 6: Final answer
    x = 222,259,891.20

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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.