Finding the Fourth Proportional to 235,986,603.90, 325,558,201.10 and 225,045,562.26
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Solution
The fourth proportional to 235,986,603.90, 325,558,201.10 and 225,045,562.26 is: 310,464,353.50
Step by Step Solution
- Step 1: Write the proportion equation
235,986,603.90 : 325,558,201.10 = 225,045,562.26 : x - Step 2: Convert to fraction form
235,986,603.90/325,558,201.10 = 225,045,562.26/x - Step 3: Cross multiply
235,986,603.90x = 325,558,201.10 × 225,045,562.26 - Step 4: Simplify right side
235,986,603.90x = 73,265,428,414,903,648 - Step 5: Solve for x
x = 73,265,428,414,903,648/235,986,603.90 - Step 6: Final answer
x = 310,464,353.50
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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.