Finding the Fourth Proportional to 223,102,338.08, 307,888,702.62 and 123,987,262.28
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Solution
The fourth proportional to 223,102,338.08, 307,888,702.62 and 123,987,262.28 is: 171,106,576.71
Step by Step Solution
- Step 1: Write the proportion equation
223,102,338.08 : 307,888,702.62 = 123,987,262.28 : x - Step 2: Convert to fraction form
223,102,338.08/307,888,702.62 = 123,987,262.28/x - Step 3: Cross multiply
223,102,338.08x = 307,888,702.62 × 123,987,262.28 - Step 4: Simplify right side
223,102,338.08x = 38,174,277,324,794,864 - Step 5: Solve for x
x = 38,174,277,324,794,864/223,102,338.08 - Step 6: Final answer
x = 171,106,576.71
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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.