Finding the Fourth Proportional to 91,155,545.42, 125,794,658.82 and 49,902,437.80
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Solution
The fourth proportional to 91,155,545.42, 125,794,658.82 and 49,902,437.80 is: 68,865,367.52
Step by Step Solution
- Step 1: Write the proportion equation
91,155,545.42 : 125,794,658.82 = 49,902,437.80 : x - Step 2: Convert to fraction form
91,155,545.42/125,794,658.82 = 49,902,437.80/x - Step 3: Cross multiply
91,155,545.42x = 125,794,658.82 × 49,902,437.80 - Step 4: Simplify right side
91,155,545.42x = 6,277,460,136,786,920 - Step 5: Solve for x
x = 6,277,460,136,786,920/91,155,545.42 - Step 6: Final answer
x = 68,865,367.52
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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.