Finding the Fourth Proportional to 208,683,398.97, 313,085,682.36 and 84,121,745.00
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Solution
The fourth proportional to 208,683,398.97, 313,085,682.36 and 84,121,745.00 is: 126,207,039.29
Step by Step Solution
- Step 1: Write the proportion equation
208,683,398.97 : 313,085,682.36 = 84,121,745.00 : x - Step 2: Convert to fraction form
208,683,398.97/313,085,682.36 = 84,121,745.00/x - Step 3: Cross multiply
208,683,398.97x = 313,085,682.36 × 84,121,745.00 - Step 4: Simplify right side
208,683,398.97x = 26,337,313,933,073,492 - Step 5: Solve for x
x = 26,337,313,933,073,492/208,683,398.97 - Step 6: Final answer
x = 126,207,039.29
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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.