Finding the Fourth Proportional to 99,704,473.48, 149,541,751.13 and 31,538,307.88
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Solution
The fourth proportional to 99,704,473.48, 149,541,751.13 and 31,538,307.88 is: 47,302,729.99
Step by Step Solution
- Step 1: Write the proportion equation
99,704,473.48 : 149,541,751.13 = 31,538,307.88 : x - Step 2: Convert to fraction form
99,704,473.48/149,541,751.13 = 31,538,307.88/x - Step 3: Cross multiply
99,704,473.48x = 149,541,751.13 × 31,538,307.88 - Step 4: Simplify right side
99,704,473.48x = 4,716,293,787,304,569 - Step 5: Solve for x
x = 4,716,293,787,304,569/99,704,473.48 - Step 6: Final answer
x = 47,302,729.99
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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.