Finding the Fourth Proportional to 252,592,024.12, 348,576,990.24 and 136,698,520.12
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Solution
The fourth proportional to 252,592,024.12, 348,576,990.24 and 136,698,520.12 is: 188,643,956.12
Step by Step Solution
- Step 1: Write the proportion equation
252,592,024.12 : 348,576,990.24 = 136,698,520.12 : x - Step 2: Convert to fraction form
252,592,024.12/348,576,990.24 = 136,698,520.12/x - Step 3: Cross multiply
252,592,024.12x = 348,576,990.24 × 136,698,520.12 - Step 4: Simplify right side
252,592,024.12x = 47,649,958,713,691,688 - Step 5: Solve for x
x = 47,649,958,713,691,688/252,592,024.12 - Step 6: Final answer
x = 188,643,956.12
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1.5x scale
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.