Finding the Fourth Proportional to 74,773,512.42, 103,187,589.93 and 41,283,056.28
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Solution
The fourth proportional to 74,773,512.42, 103,187,589.93 and 41,283,056.28 is: 56,970,696.50
Step by Step Solution
- Step 1: Write the proportion equation
74,773,512.42 : 103,187,589.93 = 41,283,056.28 : x - Step 2: Convert to fraction form
74,773,512.42/103,187,589.93 = 41,283,056.28/x - Step 3: Cross multiply
74,773,512.42x = 103,187,589.93 × 41,283,056.28 - Step 4: Simplify right side
74,773,512.42x = 4,259,899,082,477,751.50 - Step 5: Solve for x
x = 4,259,899,082,477,751.50/74,773,512.42 - Step 6: Final answer
x = 56,970,696.50
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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.