Home / 168,579,683.20-253,058,481.60-130,410,409.60

Finding the Fourth Proportional to 168,579,683.20, 253,058,481.60 and 130,410,409.60

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Solution

The fourth proportional to 168,579,683.20, 253,058,481.60 and 130,410,409.60 is: 195,761,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,579,683.20 : 253,058,481.60 = 130,410,409.60 : x
  2. Step 2: Convert to fraction form
    168,579,683.20/253,058,481.60 = 130,410,409.60/x
  3. Step 3: Cross multiply
    168,579,683.20x = 253,058,481.60 × 130,410,409.60
  4. Step 4: Simplify right side
    168,579,683.20x = 33,001,460,238,210,060
  5. Step 5: Solve for x
    x = 33,001,460,238,210,060/168,579,683.20
  6. Step 6: Final answer
    x = 195,761,788.20

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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.