Finding the Fourth Proportional to 53,706,352.26, 74,123,654.67 and 31,685,235.42
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Solution
The fourth proportional to 53,706,352.26, 74,123,654.67 and 31,685,235.42 is: 43,730,868.87
Step by Step Solution
- Step 1: Write the proportion equation
53,706,352.26 : 74,123,654.67 = 31,685,235.42 : x - Step 2: Convert to fraction form
53,706,352.26/74,123,654.67 = 31,685,235.42/x - Step 3: Cross multiply
53,706,352.26x = 74,123,654.67 × 31,685,235.42 - Step 4: Simplify right side
53,706,352.26x = 2,348,625,448,409,732.50 - Step 5: Solve for x
x = 2,348,625,448,409,732.50/53,706,352.26 - Step 6: Final answer
x = 43,730,868.87
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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.