Home / 64,177,660.80-96,256,161.60-18,728,803.20

Finding the Fourth Proportional to 64,177,660.80, 96,256,161.60 and 18,728,803.20

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Solution

The fourth proportional to 64,177,660.80, 96,256,161.60 and 18,728,803.20 is: 28,090,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,177,660.80 : 96,256,161.60 = 18,728,803.20 : x
  2. Step 2: Convert to fraction form
    64,177,660.80/96,256,161.60 = 18,728,803.20/x
  3. Step 3: Cross multiply
    64,177,660.80x = 96,256,161.60 × 18,728,803.20
  4. Step 4: Simplify right side
    64,177,660.80x = 1,802,762,707,393,797
  5. Step 5: Solve for x
    x = 1,802,762,707,393,797/64,177,660.80
  6. Step 6: Final answer
    x = 28,090,190.34

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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.