Finding the Fourth Proportional to 216,193,966.91, 298,347,835.99 and 117,074,822.96
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Solution
The fourth proportional to 216,193,966.91, 298,347,835.99 and 117,074,822.96 is: 161,563,343.22
Step by Step Solution
- Step 1: Write the proportion equation
216,193,966.91 : 298,347,835.99 = 117,074,822.96 : x - Step 2: Convert to fraction form
216,193,966.91/298,347,835.99 = 117,074,822.96/x - Step 3: Cross multiply
216,193,966.91x = 298,347,835.99 × 117,074,822.96 - Step 4: Simplify right side
216,193,966.91x = 34,929,020,079,028,364 - Step 5: Solve for x
x = 34,929,020,079,028,364/216,193,966.91 - Step 6: Final answer
x = 161,563,343.22
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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.