Home / 146,726,458.40-220,089,687.60-139,552,004.90

Finding the Fourth Proportional to 146,726,458.40, 220,089,687.60 and 139,552,004.90

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Solution

The fourth proportional to 146,726,458.40, 220,089,687.60 and 139,552,004.90 is: 209,328,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726,458.40 : 220,089,687.60 = 139,552,004.90 : x
  2. Step 2: Convert to fraction form
    146,726,458.40/220,089,687.60 = 139,552,004.90/x
  3. Step 3: Cross multiply
    146,726,458.40x = 220,089,687.60 × 139,552,004.90
  4. Step 4: Simplify right side
    146,726,458.40x = 30,713,957,162,394,668
  5. Step 5: Solve for x
    x = 30,713,957,162,394,668/146,726,458.40
  6. Step 6: Final answer
    x = 209,328,007.35

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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.