Finding the Fourth Proportional to 78,040,623.99, 107,702,674.62 and 43,244,229.27
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Solution
The fourth proportional to 78,040,623.99, 107,702,674.62 and 43,244,229.27 is: 59,680,701.10
Step by Step Solution
- Step 1: Write the proportion equation
78,040,623.99 : 107,702,674.62 = 43,244,229.27 : x - Step 2: Convert to fraction form
78,040,623.99/107,702,674.62 = 43,244,229.27/x - Step 3: Cross multiply
78,040,623.99x = 107,702,674.62 × 43,244,229.27 - Step 4: Simplify right side
78,040,623.99x = 4,657,519,154,500,994 - Step 5: Solve for x
x = 4,657,519,154,500,994/78,040,623.99 - Step 6: Final answer
x = 59,680,701.10
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.