Finding the Fourth Proportional to 215,922,382.11, 323,623,354.79 and 99,176,637.02
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Solution
The fourth proportional to 215,922,382.11, 323,623,354.79 and 99,176,637.02 is: 148,645,433.02
Step by Step Solution
- Step 1: Write the proportion equation
215,922,382.11 : 323,623,354.79 = 99,176,637.02 : x - Step 2: Convert to fraction form
215,922,382.11/323,623,354.79 = 99,176,637.02/x - Step 3: Cross multiply
215,922,382.11x = 323,623,354.79 × 99,176,637.02 - Step 4: Simplify right side
215,922,382.11x = 32,095,875,987,088,512 - Step 5: Solve for x
x = 32,095,875,987,088,512/215,922,382.11 - Step 6: Final answer
x = 148,645,433.02
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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.