Finding the Fourth Proportional to 122,506,369.11, 169,056,787.80 and 66,752,450.97
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Solution
The fourth proportional to 122,506,369.11, 169,056,787.80 and 66,752,450.97 is: 92,117,291.70
Step by Step Solution
- Step 1: Write the proportion equation
122,506,369.11 : 169,056,787.80 = 66,752,450.97 : x - Step 2: Convert to fraction form
122,506,369.11/169,056,787.80 = 66,752,450.97/x - Step 3: Cross multiply
122,506,369.11x = 169,056,787.80 × 66,752,450.97 - Step 4: Simplify right side
122,506,369.11x = 11,284,954,938,765,194 - Step 5: Solve for x
x = 11,284,954,938,765,194/122,506,369.11 - Step 6: Final answer
x = 92,117,291.70
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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.