Finding the Fourth Proportional to 268,908,791.49, 403,377,490.49 and 84,690,673.74
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Solution
The fourth proportional to 268,908,791.49, 403,377,490.49 and 84,690,673.74 is: 127,040,515.30
Step by Step Solution
- Step 1: Write the proportion equation
268,908,791.49 : 403,377,490.49 = 84,690,673.74 : x - Step 2: Convert to fraction form
268,908,791.49/403,377,490.49 = 84,690,673.74/x - Step 3: Cross multiply
268,908,791.49x = 403,377,490.49 × 84,690,673.74 - Step 4: Simplify right side
268,908,791.49x = 34,162,311,440,725,088 - Step 5: Solve for x
x = 34,162,311,440,725,088/268,908,791.49 - Step 6: Final answer
x = 127,040,515.30
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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.