Finding the Fourth Proportional to 124,375,268.97, 171,638,472.39 and 68,620,685.58
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Solution
The fourth proportional to 124,375,268.97, 171,638,472.39 and 68,620,685.58 is: 94,696,877.80
Step by Step Solution
- Step 1: Write the proportion equation
124,375,268.97 : 171,638,472.39 = 68,620,685.58 : x - Step 2: Convert to fraction form
124,375,268.97/171,638,472.39 = 68,620,685.58/x - Step 3: Cross multiply
124,375,268.97x = 171,638,472.39 × 68,620,685.58 - Step 4: Simplify right side
124,375,268.97x = 11,777,949,647,305,700 - Step 5: Solve for x
x = 11,777,949,647,305,700/124,375,268.97 - Step 6: Final answer
x = 94,696,877.80
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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.