Finding the Fourth Proportional to 183,653,778.14, 253,437,037.29 and 100,020,021.02
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Solution
The fourth proportional to 183,653,778.14, 253,437,037.29 and 100,020,021.02 is: 138,024,809.80
Step by Step Solution
- Step 1: Write the proportion equation
183,653,778.14 : 253,437,037.29 = 100,020,021.02 : x - Step 2: Convert to fraction form
183,653,778.14/253,437,037.29 = 100,020,021.02/x - Step 3: Cross multiply
183,653,778.14x = 253,437,037.29 × 100,020,021.02 - Step 4: Simplify right side
183,653,778.14x = 25,348,777,796,992,320 - Step 5: Solve for x
x = 25,348,777,796,992,320/183,653,778.14 - Step 6: Final answer
x = 138,024,809.80
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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.