Finding the Fourth Proportional to 151,783,545.68, 209,461,363.08 and 82,168,926.54
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Solution
The fourth proportional to 151,783,545.68, 209,461,363.08 and 82,168,926.54 is: 113,393,156.55
Step by Step Solution
- Step 1: Write the proportion equation
151,783,545.68 : 209,461,363.08 = 82,168,926.54 : x - Step 2: Convert to fraction form
151,783,545.68/209,461,363.08 = 82,168,926.54/x - Step 3: Cross multiply
151,783,545.68x = 209,461,363.08 × 82,168,926.54 - Step 4: Simplify right side
151,783,545.68x = 17,211,215,355,888,790 - Step 5: Solve for x
x = 17,211,215,355,888,790/151,783,545.68 - Step 6: Final answer
x = 113,393,156.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.