Finding the Fourth Proportional to 301,865,642.29, 416,572,082.21 and 169,707,227.90
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Solution
The fourth proportional to 301,865,642.29, 416,572,082.21 and 169,707,227.90 is: 234,194,566.68
Step by Step Solution
- Step 1: Write the proportion equation
301,865,642.29 : 416,572,082.21 = 169,707,227.90 : x - Step 2: Convert to fraction form
301,865,642.29/416,572,082.21 = 169,707,227.90/x - Step 3: Cross multiply
301,865,642.29x = 416,572,082.21 × 169,707,227.90 - Step 4: Simplify right side
301,865,642.29x = 70,695,293,291,541,472 - Step 5: Solve for x
x = 70,695,293,291,541,472/301,865,642.29 - Step 6: Final answer
x = 234,194,566.68
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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.