Finding the Fourth Proportional to 57,709,149.92, 79,637,653.68 and 31,954,484.96
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Solution
The fourth proportional to 57,709,149.92, 79,637,653.68 and 31,954,484.96 is: 44,096,650.36
Step by Step Solution
- Step 1: Write the proportion equation
57,709,149.92 : 79,637,653.68 = 31,954,484.96 : x - Step 2: Convert to fraction form
57,709,149.92/79,637,653.68 = 31,954,484.96/x - Step 3: Cross multiply
57,709,149.92x = 79,637,653.68 × 31,954,484.96 - Step 4: Simplify right side
57,709,149.92x = 2,544,780,206,767,249 - Step 5: Solve for x
x = 2,544,780,206,767,249/57,709,149.92 - Step 6: Final answer
x = 44,096,650.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.