Finding the Fourth Proportional to 75,715,035.12, 113,591,665.44 and 21,127,574.79
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Solution
The fourth proportional to 75,715,035.12, 113,591,665.44 and 21,127,574.79 is: 31,696,695.42
Step by Step Solution
- Step 1: Write the proportion equation
75,715,035.12 : 113,591,665.44 = 21,127,574.79 : x - Step 2: Convert to fraction form
75,715,035.12/113,591,665.44 = 21,127,574.79/x - Step 3: Cross multiply
75,715,035.12x = 113,591,665.44 × 21,127,574.79 - Step 4: Simplify right side
75,715,035.12x = 2,399,916,407,104,258 - Step 5: Solve for x
x = 2,399,916,407,104,258/75,715,035.12 - Step 6: Final answer
x = 31,696,695.42
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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.