Home / 53,510,395.45-73,843,089.64-31,485,321.36

Finding the Fourth Proportional to 53,510,395.45, 73,843,089.64 and 31,485,321.36

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Solution

The fourth proportional to 53,510,395.45, 73,843,089.64 and 31,485,321.36 is: 43,449,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,510,395.45 : 73,843,089.64 = 31,485,321.36 : x
  2. Step 2: Convert to fraction form
    53,510,395.45/73,843,089.64 = 31,485,321.36/x
  3. Step 3: Cross multiply
    53,510,395.45x = 73,843,089.64 × 31,485,321.36
  4. Step 4: Simplify right side
    53,510,395.45x = 2,324,973,407,530,686.50
  5. Step 5: Solve for x
    x = 2,324,973,407,530,686.50/53,510,395.45
  6. Step 6: Final answer
    x = 43,449,004.40

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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.