Finding the Fourth Proportional to 256,018,883.81, 353,306,060.10 and 138,544,214.00
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Solution
The fourth proportional to 256,018,883.81, 353,306,060.10 and 138,544,214.00 is: 191,191,015.56
Step by Step Solution
- Step 1: Write the proportion equation
256,018,883.81 : 353,306,060.10 = 138,544,214.00 : x - Step 2: Convert to fraction form
256,018,883.81/353,306,060.10 = 138,544,214.00/x - Step 3: Cross multiply
256,018,883.81x = 353,306,060.10 × 138,544,214.00 - Step 4: Simplify right side
256,018,883.81x = 48,948,510,396,224,736 - Step 5: Solve for x
x = 48,948,510,396,224,736/256,018,883.81 - Step 6: Final answer
x = 191,191,015.56
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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.