Finding the Fourth Proportional to 158,467,335.99, 218,664,721.02 and 92,371,297.11
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Solution
The fourth proportional to 158,467,335.99, 218,664,721.02 and 92,371,297.11 is: 127,460,613.80
Step by Step Solution
- Step 1: Write the proportion equation
158,467,335.99 : 218,664,721.02 = 92,371,297.11 : x - Step 2: Convert to fraction form
158,467,335.99/218,664,721.02 = 92,371,297.11/x - Step 3: Cross multiply
158,467,335.99x = 218,664,721.02 × 92,371,297.11 - Step 4: Simplify right side
158,467,335.99x = 20,198,343,912,813,684 - Step 5: Solve for x
x = 20,198,343,912,813,684/158,467,335.99 - Step 6: Final answer
x = 127,460,613.80
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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.