Finding the Fourth Proportional to 186,940,064.97, 280,159,446.95 and 145,490,990.75
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Solution
The fourth proportional to 186,940,064.97, 280,159,446.95 and 145,490,990.75 is: 218,041,410.81
Step by Step Solution
- Step 1: Write the proportion equation
186,940,064.97 : 280,159,446.95 = 145,490,990.75 : x - Step 2: Convert to fraction form
186,940,064.97/280,159,446.95 = 145,490,990.75/x - Step 3: Cross multiply
186,940,064.97x = 280,159,446.95 × 145,490,990.75 - Step 4: Simplify right side
186,940,064.97x = 40,760,675,502,599,312 - Step 5: Solve for x
x = 40,760,675,502,599,312/186,940,064.97 - Step 6: Final answer
x = 218,041,410.81
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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.