Finding the Fourth Proportional to 129,457,839.80, 194,112,110.10 and 48,686,972.60
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Solution
The fourth proportional to 129,457,839.80, 194,112,110.10 and 48,686,972.60 is: 73,002,384.41
Step by Step Solution
- Step 1: Write the proportion equation
129,457,839.80 : 194,112,110.10 = 48,686,972.60 : x - Step 2: Convert to fraction form
129,457,839.80/194,112,110.10 = 48,686,972.60/x - Step 3: Cross multiply
129,457,839.80x = 194,112,110.10 × 48,686,972.60 - Step 4: Simplify right side
129,457,839.80x = 9,450,730,985,766,884 - Step 5: Solve for x
x = 9,450,730,985,766,884/129,457,839.80 - Step 6: Final answer
x = 73,002,384.41
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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.