Home / 202,133,619.63-278,945,235.63-109,314,127.44

Finding the Fourth Proportional to 202,133,619.63, 278,945,235.63 and 109,314,127.44

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Solution

The fourth proportional to 202,133,619.63, 278,945,235.63 and 109,314,127.44 is: 150,853,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,619.63 : 278,945,235.63 = 109,314,127.44 : x
  2. Step 2: Convert to fraction form
    202,133,619.63/278,945,235.63 = 109,314,127.44/x
  3. Step 3: Cross multiply
    202,133,619.63x = 278,945,235.63 × 109,314,127.44
  4. Step 4: Simplify right side
    202,133,619.63x = 30,492,655,036,438,648
  5. Step 5: Solve for x
    x = 30,492,655,036,438,648/202,133,619.63
  6. Step 6: Final answer
    x = 150,853,950.43

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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.