Finding the Fourth Proportional to 208,683,463.96, 313,085,779.89 and 84,121,809.99
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Solution
The fourth proportional to 208,683,463.96, 313,085,779.89 and 84,121,809.99 is: 126,207,136.81
Step by Step Solution
- Step 1: Write the proportion equation
208,683,463.96 : 313,085,779.89 = 84,121,809.99 : x - Step 2: Convert to fraction form
208,683,463.96/313,085,779.89 = 84,121,809.99/x - Step 3: Cross multiply
208,683,463.96x = 313,085,779.89 × 84,121,809.99 - Step 4: Simplify right side
208,683,463.96x = 26,337,342,486,477,540 - Step 5: Solve for x
x = 26,337,342,486,477,540/208,683,463.96 - Step 6: Final answer
x = 126,207,136.81
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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.