Finding the Fourth Proportional to 75,816,092.70, 113,724,139.05 and 63,218,972.70
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Solution
The fourth proportional to 75,816,092.70, 113,724,139.05 and 63,218,972.70 is: 94,828,459.05
Step by Step Solution
- Step 1: Write the proportion equation
75,816,092.70 : 113,724,139.05 = 63,218,972.70 : x - Step 2: Convert to fraction form
75,816,092.70/113,724,139.05 = 63,218,972.70/x - Step 3: Cross multiply
75,816,092.70x = 113,724,139.05 × 63,218,972.70 - Step 4: Simplify right side
75,816,092.70x = 7,189,523,241,932,954 - Step 5: Solve for x
x = 7,189,523,241,932,954/75,816,092.70 - Step 6: Final answer
x = 94,828,459.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.