Finding the Fourth Proportional to 287,301,791.84, 431,013,212.55 and 93,198,050.96
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Solution
The fourth proportional to 287,301,791.84, 431,013,212.55 and 93,198,050.96 is: 139,816,710.12
Step by Step Solution
- Step 1: Write the proportion equation
287,301,791.84 : 431,013,212.55 = 93,198,050.96 : x - Step 2: Convert to fraction form
287,301,791.84/431,013,212.55 = 93,198,050.96/x - Step 3: Cross multiply
287,301,791.84x = 431,013,212.55 × 93,198,050.96 - Step 4: Simplify right side
287,301,791.84x = 40,169,591,347,668,208 - Step 5: Solve for x
x = 40,169,591,347,668,208/287,301,791.84 - Step 6: Final answer
x = 139,816,710.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.