Finding the Fourth Proportional to 78,526,974.43, 117,680,208.09 and 62,059,860.19
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Solution
The fourth proportional to 78,526,974.43, 117,680,208.09 and 62,059,860.19 is: 93,002,656.91
Step by Step Solution
- Step 1: Write the proportion equation
78,526,974.43 : 117,680,208.09 = 62,059,860.19 : x - Step 2: Convert to fraction form
78,526,974.43/117,680,208.09 = 62,059,860.19/x - Step 3: Cross multiply
78,526,974.43x = 117,680,208.09 × 62,059,860.19 - Step 4: Simplify right side
78,526,974.43x = 7,303,217,261,195,507 - Step 5: Solve for x
x = 7,303,217,261,195,507/78,526,974.43 - Step 6: Final answer
x = 93,002,656.91
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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.