Finding the Fourth Proportional to 212,306,755.38, 318,345,971.07 and 124,898,488.98
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Solution
The fourth proportional to 212,306,755.38, 318,345,971.07 and 124,898,488.98 is: 187,280,572.81
Step by Step Solution
- Step 1: Write the proportion equation
212,306,755.38 : 318,345,971.07 = 124,898,488.98 : x - Step 2: Convert to fraction form
212,306,755.38/318,345,971.07 = 124,898,488.98/x - Step 3: Cross multiply
212,306,755.38x = 318,345,971.07 × 124,898,488.98 - Step 4: Simplify right side
212,306,755.38x = 39,760,930,759,513,792 - Step 5: Solve for x
x = 39,760,930,759,513,792/212,306,755.38 - Step 6: Final answer
x = 187,280,572.81
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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.