Finding the Fourth Proportional to 81,769,574.06, 122,678,109.49 and 26,436,227.63
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Solution
The fourth proportional to 81,769,574.06, 122,678,109.49 and 26,436,227.63 is: 39,662,019.34
Step by Step Solution
- Step 1: Write the proportion equation
81,769,574.06 : 122,678,109.49 = 26,436,227.63 : x - Step 2: Convert to fraction form
81,769,574.06/122,678,109.49 = 26,436,227.63/x - Step 3: Cross multiply
81,769,574.06x = 122,678,109.49 × 26,436,227.63 - Step 4: Simplify right side
81,769,574.06x = 3,243,146,427,681,436.50 - Step 5: Solve for x
x = 3,243,146,427,681,436.50/81,769,574.06 - Step 6: Final answer
x = 39,662,019.34
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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.