Finding the Fourth Proportional to 54,129,014.20, 74,699,008.95 and 29,350,036.90
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Solution
The fourth proportional to 54,129,014.20, 74,699,008.95 and 29,350,036.90 is: 40,503,576.53
Step by Step Solution
- Step 1: Write the proportion equation
54,129,014.20 : 74,699,008.95 = 29,350,036.90 : x - Step 2: Convert to fraction form
54,129,014.20/74,699,008.95 = 29,350,036.90/x - Step 3: Cross multiply
54,129,014.20x = 74,699,008.95 × 29,350,036.90 - Step 4: Simplify right side
54,129,014.20x = 2,192,418,669,075,930.25 - Step 5: Solve for x
x = 2,192,418,669,075,930.25/54,129,014.20 - Step 6: Final answer
x = 40,503,576.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.