Finding the Fourth Proportional to 268,908,813.99, 403,377,524.28 and 84,690,696.24
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Solution
The fourth proportional to 268,908,813.99, 403,377,524.28 and 84,690,696.24 is: 127,040,549.07
Step by Step Solution
- Step 1: Write the proportion equation
268,908,813.99 : 403,377,524.28 = 84,690,696.24 : x - Step 2: Convert to fraction form
268,908,813.99/403,377,524.28 = 84,690,696.24/x - Step 3: Cross multiply
268,908,813.99x = 403,377,524.28 × 84,690,696.24 - Step 4: Simplify right side
268,908,813.99x = 34,162,323,378,840,700 - Step 5: Solve for x
x = 34,162,323,378,840,700/268,908,813.99 - Step 6: Final answer
x = 127,040,549.07
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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.