Finding the Fourth Proportional to 216,018,717.60, 298,105,821.12 and 116,899,468.08
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Solution
The fourth proportional to 216,018,717.60, 298,105,821.12 and 116,899,468.08 is: 161,321,260.99
Step by Step Solution
- Step 1: Write the proportion equation
216,018,717.60 : 298,105,821.12 = 116,899,468.08 : x - Step 2: Convert to fraction form
216,018,717.60/298,105,821.12 = 116,899,468.08/x - Step 3: Cross multiply
216,018,717.60x = 298,105,821.12 × 116,899,468.08 - Step 4: Simplify right side
216,018,717.60x = 34,848,411,920,479,628 - Step 5: Solve for x
x = 34,848,411,920,479,628/216,018,717.60 - Step 6: Final answer
x = 161,321,260.99
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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.