Finding the Fourth Proportional to 202,994,627.99, 280,084,572.43 and 114,888,623.81
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Solution
The fourth proportional to 202,994,627.99, 280,084,572.43 and 114,888,623.81 is: 158,519,126.32
Step by Step Solution
- Step 1: Write the proportion equation
202,994,627.99 : 280,084,572.43 = 114,888,623.81 : x - Step 2: Convert to fraction form
202,994,627.99/280,084,572.43 = 114,888,623.81/x - Step 3: Cross multiply
202,994,627.99x = 280,084,572.43 × 114,888,623.81 - Step 4: Simplify right side
202,994,627.99x = 32,178,531,075,207,328 - Step 5: Solve for x
x = 32,178,531,075,207,328/202,994,627.99 - Step 6: Final answer
x = 158,519,126.32
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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.