Finding the Fourth Proportional to 256,249,359.46, 353,622,230.18 and 138,771,964.44
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Solution
The fourth proportional to 256,249,359.46, 353,622,230.18 and 138,771,964.44 is: 191,504,289.63
Step by Step Solution
- Step 1: Write the proportion equation
256,249,359.46 : 353,622,230.18 = 138,771,964.44 : x - Step 2: Convert to fraction form
256,249,359.46/353,622,230.18 = 138,771,964.44/x - Step 3: Cross multiply
256,249,359.46x = 353,622,230.18 × 138,771,964.44 - Step 4: Simplify right side
256,249,359.46x = 49,072,851,551,732,456 - Step 5: Solve for x
x = 49,072,851,551,732,456/256,249,359.46 - Step 6: Final answer
x = 191,504,289.63
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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.