Finding the Fourth Proportional to 230,924,385.09, 318,673,114.43 and 125,075,167.02
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Solution
The fourth proportional to 230,924,385.09, 318,673,114.43 and 125,075,167.02 is: 172,602,356.38
Step by Step Solution
- Step 1: Write the proportion equation
230,924,385.09 : 318,673,114.43 = 125,075,167.02 : x - Step 2: Convert to fraction form
230,924,385.09/318,673,114.43 = 125,075,167.02/x - Step 3: Cross multiply
230,924,385.09x = 318,673,114.43 × 125,075,167.02 - Step 4: Simplify right side
230,924,385.09x = 39,858,093,011,490,448 - Step 5: Solve for x
x = 39,858,093,011,490,448/230,924,385.09 - Step 6: Final answer
x = 172,602,356.38
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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.