Finding the Fourth Proportional to 121,259,230.90, 167,337,573.46 and 69,048,266.44
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Solution
The fourth proportional to 121,259,230.90, 167,337,573.46 and 69,048,266.44 is: 95,286,513.63
Step by Step Solution
- Step 1: Write the proportion equation
121,259,230.90 : 167,337,573.46 = 69,048,266.44 : x - Step 2: Convert to fraction form
121,259,230.90/167,337,573.46 = 69,048,266.44/x - Step 3: Cross multiply
121,259,230.90x = 167,337,573.46 × 69,048,266.44 - Step 4: Simplify right side
121,259,230.90x = 11,554,369,357,689,152 - Step 5: Solve for x
x = 11,554,369,357,689,152/121,259,230.90 - Step 6: Final answer
x = 95,286,513.63
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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.