Finding the Fourth Proportional to 138,627,714.36, 207,973,462.11 and 46,523,674.65
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Solution
The fourth proportional to 138,627,714.36, 207,973,462.11 and 46,523,674.65 is: 69,796,214.50
Step by Step Solution
- Step 1: Write the proportion equation
138,627,714.36 : 207,973,462.11 = 46,523,674.65 : x - Step 2: Convert to fraction form
138,627,714.36/207,973,462.11 = 46,523,674.65/x - Step 3: Cross multiply
138,627,714.36x = 207,973,462.11 × 46,523,674.65 - Step 4: Simplify right side
138,627,714.36x = 9,675,689,687,645,180 - Step 5: Solve for x
x = 9,675,689,687,645,180/138,627,714.36 - Step 6: Final answer
x = 69,796,214.50
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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.