Finding the Fourth Proportional to 64,633,623.21, 89,090,204.99 and 43,718,028.39
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Solution
The fourth proportional to 64,633,623.21, 89,090,204.99 and 43,718,028.39 is: 60,260,401.90
Step by Step Solution
- Step 1: Write the proportion equation
64,633,623.21 : 89,090,204.99 = 43,718,028.39 : x - Step 2: Convert to fraction form
64,633,623.21/89,090,204.99 = 43,718,028.39/x - Step 3: Cross multiply
64,633,623.21x = 89,090,204.99 × 43,718,028.39 - Step 4: Simplify right side
64,633,623.21x = 3,894,848,110,805,149.50 - Step 5: Solve for x
x = 3,894,848,110,805,149.50/64,633,623.21 - Step 6: Final answer
x = 60,260,401.90
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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.