Home / 57,631,033.68-79,531,457.49-31,525,551.78

Finding the Fourth Proportional to 57,631,033.68, 79,531,457.49 and 31,525,551.78

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Solution

The fourth proportional to 57,631,033.68, 79,531,457.49 and 31,525,551.78 is: 43,505,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631,033.68 : 79,531,457.49 = 31,525,551.78 : x
  2. Step 2: Convert to fraction form
    57,631,033.68/79,531,457.49 = 31,525,551.78/x
  3. Step 3: Cross multiply
    57,631,033.68x = 79,531,457.49 × 31,525,551.78
  4. Step 4: Simplify right side
    57,631,033.68x = 2,507,273,081,239,864
  5. Step 5: Solve for x
    x = 2,507,273,081,239,864/57,631,033.68
  6. Step 6: Final answer
    x = 43,505,606.63

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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.