Finding the Fourth Proportional to 117,892,551.68, 162,687,905.96 and 67,665,037.62
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Solution
The fourth proportional to 117,892,551.68, 162,687,905.96 and 67,665,037.62 is: 93,375,562.07
Step by Step Solution
- Step 1: Write the proportion equation
117,892,551.68 : 162,687,905.96 = 67,665,037.62 : x - Step 2: Convert to fraction form
117,892,551.68/162,687,905.96 = 67,665,037.62/x - Step 3: Cross multiply
117,892,551.68x = 162,687,905.96 × 67,665,037.62 - Step 4: Simplify right side
117,892,551.68x = 11,008,283,277,102,424 - Step 5: Solve for x
x = 11,008,283,277,102,424/117,892,551.68 - Step 6: Final answer
x = 93,375,562.07
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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.