Finding the Fourth Proportional to 220,626,503.26, 304,460,859.99 and 121,516,480.06
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Solution
The fourth proportional to 220,626,503.26, 304,460,859.99 and 121,516,480.06 is: 167,690,696.61
Step by Step Solution
- Step 1: Write the proportion equation
220,626,503.26 : 304,460,859.99 = 121,516,480.06 : x - Step 2: Convert to fraction form
220,626,503.26/304,460,859.99 = 121,516,480.06/x - Step 3: Cross multiply
220,626,503.26x = 304,460,859.99 × 121,516,480.06 - Step 4: Simplify right side
220,626,503.26x = 36,997,012,022,025,288 - Step 5: Solve for x
x = 36,997,012,022,025,288/220,626,503.26 - Step 6: Final answer
x = 167,690,696.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.