Finding the Fourth Proportional to 137,651,398.80, 206,477,098.20 and 51,396,541.62
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Solution
The fourth proportional to 137,651,398.80, 206,477,098.20 and 51,396,541.62 is: 77,094,812.43
Step by Step Solution
- Step 1: Write the proportion equation
137,651,398.80 : 206,477,098.20 = 51,396,541.62 : x - Step 2: Convert to fraction form
137,651,398.80/206,477,098.20 = 51,396,541.62/x - Step 3: Cross multiply
137,651,398.80x = 206,477,098.20 × 51,396,541.62 - Step 4: Simplify right side
137,651,398.80x = 10,612,208,771,213,126 - Step 5: Solve for x
x = 10,612,208,771,213,126/137,651,398.80 - Step 6: Final answer
x = 77,094,812.43
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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.