Finding the Fourth Proportional to 87,050,491.36, 120,129,674.12 and 47,891,428.05
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Solution
The fourth proportional to 87,050,491.36, 120,129,674.12 and 47,891,428.05 is: 66,090,168.52
Step by Step Solution
- Step 1: Write the proportion equation
87,050,491.36 : 120,129,674.12 = 47,891,428.05 : x - Step 2: Convert to fraction form
87,050,491.36/120,129,674.12 = 47,891,428.05/x - Step 3: Cross multiply
87,050,491.36x = 120,129,674.12 × 47,891,428.05 - Step 4: Simplify right side
87,050,491.36x = 5,753,181,643,947,822 - Step 5: Solve for x
x = 5,753,181,643,947,822/87,050,491.36 - Step 6: Final answer
x = 66,090,168.52
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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.