Finding the Fourth Proportional to 154,472,799.13, 213,228,400.37 and 102,278,649.92
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Solution
The fourth proportional to 154,472,799.13, 213,228,400.37 and 102,278,649.92 is: 141,181,573.95
Step by Step Solution
- Step 1: Write the proportion equation
154,472,799.13 : 213,228,400.37 = 102,278,649.92 : x - Step 2: Convert to fraction form
154,472,799.13/213,228,400.37 = 102,278,649.92/x - Step 3: Cross multiply
154,472,799.13x = 213,228,400.37 × 102,278,649.92 - Step 4: Simplify right side
154,472,799.13x = 21,808,712,912,867,296 - Step 5: Solve for x
x = 21,808,712,912,867,296/154,472,799.13 - Step 6: Final answer
x = 141,181,573.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.