Home / 51,682,008.24-71,324,356.80-28,477,131.60

Finding the Fourth Proportional to 51,682,008.24, 71,324,356.80 and 28,477,131.60

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Solution

The fourth proportional to 51,682,008.24, 71,324,356.80 and 28,477,131.60 is: 39,300,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,682,008.24 : 71,324,356.80 = 28,477,131.60 : x
  2. Step 2: Convert to fraction form
    51,682,008.24/71,324,356.80 = 28,477,131.60/x
  3. Step 3: Cross multiply
    51,682,008.24x = 71,324,356.80 × 28,477,131.60
  4. Step 4: Simplify right side
    51,682,008.24x = 2,031,113,094,878,955
  5. Step 5: Solve for x
    x = 2,031,113,094,878,955/51,682,008.24
  6. Step 6: Final answer
    x = 39,300,196.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.