Finding the Fourth Proportional to 293,689,425.03, 405,302,970.50 and 161,542,717.53
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Solution
The fourth proportional to 293,689,425.03, 405,302,970.50 and 161,542,717.53 is: 222,935,310.90
Step by Step Solution
- Step 1: Write the proportion equation
293,689,425.03 : 405,302,970.50 = 161,542,717.53 : x - Step 2: Convert to fraction form
293,689,425.03/405,302,970.50 = 161,542,717.53/x - Step 3: Cross multiply
293,689,425.03x = 405,302,970.50 × 161,542,717.53 - Step 4: Simplify right side
293,689,425.03x = 65,473,743,276,743,712 - Step 5: Solve for x
x = 65,473,743,276,743,712/293,689,425.03 - Step 6: Final answer
x = 222,935,310.90
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1.5x scale
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.