Finding the Fourth Proportional to 103,948,332,066.21, 155,653,963,935.69 and 71,741,556,048.09
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Solution
The fourth proportional to 103,948,332,066.21, 155,653,963,935.69 and 71,741,556,048.09 is: 107,427,001,047.86
Step by Step Solution
- Step 1: Write the proportion equation
103,948,332,066.21 : 155,653,963,935.69 = 71,741,556,048.09 : x - Step 2: Convert to fraction form
103,948,332,066.21/155,653,963,935.69 = 71,741,556,048.09/x - Step 3: Cross multiply
103,948,332,066.21x = 155,653,963,935.69 × 71,741,556,048.09 - Step 4: Simplify right side
103,948,332,066.21x = 11,166,857,577,799,683,670,016 - Step 5: Solve for x
x = 11,166,857,577,799,683,670,016/103,948,332,066.21 - Step 6: Final answer
x = 107,427,001,047.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.