Finding the Fourth Proportional to 260,975,149.68, 360,158,635.05 and 161,887,822.75
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Solution
The fourth proportional to 260,975,149.68, 360,158,635.05 and 161,887,822.75 is: 223,413,215.18
Step by Step Solution
- Step 1: Write the proportion equation
260,975,149.68 : 360,158,635.05 = 161,887,822.75 : x - Step 2: Convert to fraction form
260,975,149.68/360,158,635.05 = 161,887,822.75/x - Step 3: Cross multiply
260,975,149.68x = 360,158,635.05 × 161,887,822.75 - Step 4: Simplify right side
260,975,149.68x = 58,305,297,271,581,576 - Step 5: Solve for x
x = 58,305,297,271,581,576/260,975,149.68 - Step 6: Final answer
x = 223,413,215.18
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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.