Finding the Fourth Proportional to 117,050,917.68, 161,528,105.21 and 64,838,807.73
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Solution
The fourth proportional to 117,050,917.68, 161,528,105.21 and 64,838,807.73 is: 89,476,357.50
Step by Step Solution
- Step 1: Write the proportion equation
117,050,917.68 : 161,528,105.21 = 64,838,807.73 : x - Step 2: Convert to fraction form
117,050,917.68/161,528,105.21 = 64,838,807.73/x - Step 3: Cross multiply
117,050,917.68x = 161,528,105.21 × 64,838,807.73 - Step 4: Simplify right side
117,050,917.68x = 10,473,289,756,378,208 - Step 5: Solve for x
x = 10,473,289,756,378,208/117,050,917.68 - Step 6: Final answer
x = 89,476,357.50
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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.