Finding the Fourth Proportional to 175,877,358.97, 263,816,046.66 and 120,490,577.95
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Solution
The fourth proportional to 175,877,358.97, 263,816,046.66 and 120,490,577.95 is: 180,735,872.55
Step by Step Solution
- Step 1: Write the proportion equation
175,877,358.97 : 263,816,046.66 = 120,490,577.95 : x - Step 2: Convert to fraction form
175,877,358.97/263,816,046.66 = 120,490,577.95/x - Step 3: Cross multiply
175,877,358.97x = 263,816,046.66 × 120,490,577.95 - Step 4: Simplify right side
175,877,358.97x = 31,787,347,934,877,336 - Step 5: Solve for x
x = 31,787,347,934,877,336/175,877,358.97 - Step 6: Final answer
x = 180,735,872.55
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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.