Home / 188,268,351.36-282,240,788-65,430,709.60

Finding the Fourth Proportional to 188,268,351.36, 282,240,788 and 65,430,709.60

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Solution

The fourth proportional to 188,268,351.36, 282,240,788 and 65,430,709.60 is: 98,089,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,268,351.36 : 282,240,788 = 65,430,709.60 : x
  2. Step 2: Convert to fraction form
    188,268,351.36/282,240,788 = 65,430,709.60/x
  3. Step 3: Cross multiply
    188,268,351.36x = 282,240,788 × 65,430,709.60
  4. Step 4: Simplify right side
    188,268,351.36x = 18,467,215,036,903,164
  5. Step 5: Solve for x
    x = 18,467,215,036,903,164/188,268,351.36
  6. Step 6: Final answer
    x = 98,089,853.68

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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.