Home / 221,266,255.64-305,339,428.48-122,144,874.08

Finding the Fourth Proportional to 221,266,255.64, 305,339,428.48 and 122,144,874.08

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Solution

The fourth proportional to 221,266,255.64, 305,339,428.48 and 122,144,874.08 is: 168,555,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,266,255.64 : 305,339,428.48 = 122,144,874.08 : x
  2. Step 2: Convert to fraction form
    221,266,255.64/305,339,428.48 = 122,144,874.08/x
  3. Step 3: Cross multiply
    221,266,255.64x = 305,339,428.48 × 122,144,874.08
  4. Step 4: Simplify right side
    221,266,255.64x = 37,295,646,043,348,768
  5. Step 5: Solve for x
    x = 37,295,646,043,348,768/221,266,255.64
  6. Step 6: Final answer
    x = 168,555,507.64

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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.