Finding the Fourth Proportional to 189,693,569.54, 261,632,694.84 and 163,276,884.02
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Solution
The fourth proportional to 189,693,569.54, 261,632,694.84 and 163,276,884.02 is: 225,197,782.27
Step by Step Solution
- Step 1: Write the proportion equation
189,693,569.54 : 261,632,694.84 = 163,276,884.02 : x - Step 2: Convert to fraction form
189,693,569.54/261,632,694.84 = 163,276,884.02/x - Step 3: Cross multiply
189,693,569.54x = 261,632,694.84 × 163,276,884.02 - Step 4: Simplify right side
189,693,569.54x = 42,718,571,171,272,528 - Step 5: Solve for x
x = 42,718,571,171,272,528/189,693,569.54 - Step 6: Final answer
x = 225,197,782.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.