Finding the Fourth Proportional to 117,951,888.71, 162,737,536.46 and 68,382,371.84
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Solution
The fourth proportional to 117,951,888.71, 162,737,536.46 and 68,382,371.84 is: 94,346,761.64
Step by Step Solution
- Step 1: Write the proportion equation
117,951,888.71 : 162,737,536.46 = 68,382,371.84 : x - Step 2: Convert to fraction form
117,951,888.71/162,737,536.46 = 68,382,371.84/x - Step 3: Cross multiply
117,951,888.71x = 162,737,536.46 × 68,382,371.84 - Step 4: Simplify right side
117,951,888.71x = 11,128,378,729,377,678 - Step 5: Solve for x
x = 11,128,378,729,377,678/117,951,888.71 - Step 6: Final answer
x = 94,346,761.64
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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.