Home / 205,493,896.32-283,622,774.63-121,908,422.22

Finding the Fourth Proportional to 205,493,896.32, 283,622,774.63 and 121,908,422.22

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Solution

The fourth proportional to 205,493,896.32, 283,622,774.63 and 121,908,422.22 is: 168,258,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,493,896.32 : 283,622,774.63 = 121,908,422.22 : x
  2. Step 2: Convert to fraction form
    205,493,896.32/283,622,774.63 = 121,908,422.22/x
  3. Step 3: Cross multiply
    205,493,896.32x = 283,622,774.63 × 121,908,422.22
  4. Step 4: Simplify right side
    205,493,896.32x = 34,576,004,960,192,400
  5. Step 5: Solve for x
    x = 34,576,004,960,192,400/205,493,896.32
  6. Step 6: Final answer
    x = 168,258,063.03

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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.