Finding the Fourth Proportional to 84,487,391.92, 126,745,395.12 and 29,140,198.36
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Solution
The fourth proportional to 84,487,391.92, 126,745,395.12 and 29,140,198.36 is: 43,715,232.19
Step by Step Solution
- Step 1: Write the proportion equation
84,487,391.92 : 126,745,395.12 = 29,140,198.36 : x - Step 2: Convert to fraction form
84,487,391.92/126,745,395.12 = 29,140,198.36/x - Step 3: Cross multiply
84,487,391.92x = 126,745,395.12 × 29,140,198.36 - Step 4: Simplify right side
84,487,391.92x = 3,693,385,955,013,376 - Step 5: Solve for x
x = 3,693,385,955,013,376/84,487,391.92 - Step 6: Final answer
x = 43,715,232.19
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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.