Finding the Fourth Proportional to 183,778,786.41, 275,501,328.53 and 91,690,689.93
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Solution
The fourth proportional to 183,778,786.41, 275,501,328.53 and 91,690,689.93 is: 137,452,789.75
Step by Step Solution
- Step 1: Write the proportion equation
183,778,786.41 : 275,501,328.53 = 91,690,689.93 : x - Step 2: Convert to fraction form
183,778,786.41/275,501,328.53 = 91,690,689.93/x - Step 3: Cross multiply
183,778,786.41x = 275,501,328.53 × 91,690,689.93 - Step 4: Simplify right side
183,778,786.41x = 25,260,906,889,088,840 - Step 5: Solve for x
x = 25,260,906,889,088,840/183,778,786.41 - Step 6: Final answer
x = 137,452,789.75
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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.