Finding the Fourth Proportional to 146,274,879.54, 201,859,603.47 and 79,293,630.54
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Solution
The fourth proportional to 146,274,879.54, 201,859,603.47 and 79,293,630.54 is: 109,425,356.35
Step by Step Solution
- Step 1: Write the proportion equation
146,274,879.54 : 201,859,603.47 = 79,293,630.54 : x - Step 2: Convert to fraction form
146,274,879.54/201,859,603.47 = 79,293,630.54/x - Step 3: Cross multiply
146,274,879.54x = 201,859,603.47 × 79,293,630.54 - Step 4: Simplify right side
146,274,879.54x = 16,006,180,818,501,084 - Step 5: Solve for x
x = 16,006,180,818,501,084/146,274,879.54 - Step 6: Final answer
x = 109,425,356.35
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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.