Finding the Fourth Proportional to 211,782,157.62, 292,168,720.08 and 132,259,160.49
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Solution
The fourth proportional to 211,782,157.62, 292,168,720.08 and 132,259,160.49 is: 182,461,025.39
Step by Step Solution
- Step 1: Write the proportion equation
211,782,157.62 : 292,168,720.08 = 132,259,160.49 : x - Step 2: Convert to fraction form
211,782,157.62/292,168,720.08 = 132,259,160.49/x - Step 3: Cross multiply
211,782,157.62x = 292,168,720.08 × 132,259,160.49 - Step 4: Simplify right side
211,782,157.62x = 38,641,989,639,218,600 - Step 5: Solve for x
x = 38,641,989,639,218,600/211,782,157.62 - Step 6: Final answer
x = 182,461,025.39
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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.