Finding the Fourth Proportional to 284,108,916.80, 426,163,375.20 and 131,053,908.80
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Solution
The fourth proportional to 284,108,916.80, 426,163,375.20 and 131,053,908.80 is: 196,580,863.20
Step by Step Solution
- Step 1: Write the proportion equation
284,108,916.80 : 426,163,375.20 = 131,053,908.80 : x - Step 2: Convert to fraction form
284,108,916.80/426,163,375.20 = 131,053,908.80/x - Step 3: Cross multiply
284,108,916.80x = 426,163,375.20 × 131,053,908.80 - Step 4: Simplify right side
284,108,916.80x = 55,850,376,107,360,976 - Step 5: Solve for x
x = 55,850,376,107,360,976/284,108,916.80 - Step 6: Final answer
x = 196,580,863.20
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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.