Finding the Fourth Proportional to 75,816,071.70, 113,724,107.55 and 63,218,951.70
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Solution
The fourth proportional to 75,816,071.70, 113,724,107.55 and 63,218,951.70 is: 94,828,427.55
Step by Step Solution
- Step 1: Write the proportion equation
75,816,071.70 : 113,724,107.55 = 63,218,951.70 : x - Step 2: Convert to fraction form
75,816,071.70/113,724,107.55 = 63,218,951.70/x - Step 3: Cross multiply
75,816,071.70x = 113,724,107.55 × 63,218,951.70 - Step 4: Simplify right side
75,816,071.70x = 7,189,518,862,329,055 - Step 5: Solve for x
x = 7,189,518,862,329,055/75,816,071.70 - Step 6: Final answer
x = 94,828,427.55
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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.