Finding the Fourth Proportional to 203,443,862.87, 304,781,781.99 and 120,197,219.63
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Solution
The fourth proportional to 203,443,862.87, 304,781,781.99 and 120,197,219.63 is: 180,068,950.09
Step by Step Solution
- Step 1: Write the proportion equation
203,443,862.87 : 304,781,781.99 = 120,197,219.63 : x - Step 2: Convert to fraction form
203,443,862.87/304,781,781.99 = 120,197,219.63/x - Step 3: Cross multiply
203,443,862.87x = 304,781,781.99 × 120,197,219.63 - Step 4: Simplify right side
203,443,862.87x = 36,633,922,787,550,904 - Step 5: Solve for x
x = 36,633,922,787,550,904/203,443,862.87 - Step 6: Final answer
x = 180,068,950.09
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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.