Finding the Fourth Proportional to 249,262,348.16, 343,983,107.82 and 136,234,123.08
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Solution
The fourth proportional to 249,262,348.16, 343,983,107.82 and 136,234,123.08 is: 188,003,673.21
Step by Step Solution
- Step 1: Write the proportion equation
249,262,348.16 : 343,983,107.82 = 136,234,123.08 : x - Step 2: Convert to fraction form
249,262,348.16/343,983,107.82 = 136,234,123.08/x - Step 3: Cross multiply
249,262,348.16x = 343,983,107.82 × 136,234,123.08 - Step 4: Simplify right side
249,262,348.16x = 46,862,237,048,190,792 - Step 5: Solve for x
x = 46,862,237,048,190,792/249,262,348.16 - Step 6: Final answer
x = 188,003,673.21
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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.