Finding the Fourth Proportional to 122,579,093.76, 169,161,024.96 and 66,824,551.68
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Solution
The fourth proportional to 122,579,093.76, 169,161,024.96 and 66,824,551.68 is: 92,218,903.79
Step by Step Solution
- Step 1: Write the proportion equation
122,579,093.76 : 169,161,024.96 = 66,824,551.68 : x - Step 2: Convert to fraction form
122,579,093.76/169,161,024.96 = 66,824,551.68/x - Step 3: Cross multiply
122,579,093.76x = 169,161,024.96 × 66,824,551.68 - Step 4: Simplify right side
122,579,093.76x = 11,304,109,654,681,290 - Step 5: Solve for x
x = 11,304,109,654,681,290/122,579,093.76 - Step 6: Final answer
x = 92,218,903.79
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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.