Finding the Fourth Proportional to 76,832,518.96, 115,240,290.09 and 19,324,812.70
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Solution
The fourth proportional to 76,832,518.96, 115,240,290.09 and 19,324,812.70 is: 28,985,084.07
Step by Step Solution
- Step 1: Write the proportion equation
76,832,518.96 : 115,240,290.09 = 19,324,812.70 : x - Step 2: Convert to fraction form
76,832,518.96/115,240,290.09 = 19,324,812.70/x - Step 3: Cross multiply
76,832,518.96x = 115,240,290.09 × 19,324,812.70 - Step 4: Simplify right side
76,832,518.96x = 2,226,997,021,482,916.25 - Step 5: Solve for x
x = 2,226,997,021,482,916.25/76,832,518.96 - Step 6: Final answer
x = 28,985,084.07
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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.