Home / 43,012,984.80-64,519,477.20-27,087,736.80

Finding the Fourth Proportional to 43,012,984.80, 64,519,477.20 and 27,087,736.80

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Solution

The fourth proportional to 43,012,984.80, 64,519,477.20 and 27,087,736.80 is: 40,631,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,984.80 : 64,519,477.20 = 27,087,736.80 : x
  2. Step 2: Convert to fraction form
    43,012,984.80/64,519,477.20 = 27,087,736.80/x
  3. Step 3: Cross multiply
    43,012,984.80x = 64,519,477.20 × 27,087,736.80
  4. Step 4: Simplify right side
    43,012,984.80x = 1,747,686,616,867,201
  5. Step 5: Solve for x
    x = 1,747,686,616,867,201/43,012,984.80
  6. Step 6: Final answer
    x = 40,631,605.20

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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.