Finding the Fourth Proportional to 127,736,754.21, 191,637,447.98 and 35,620,502.21
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Solution
The fourth proportional to 127,736,754.21, 191,637,447.98 and 35,620,502.21 is: 53,439,765.09
Step by Step Solution
- Step 1: Write the proportion equation
127,736,754.21 : 191,637,447.98 = 35,620,502.21 : x - Step 2: Convert to fraction form
127,736,754.21/191,637,447.98 = 35,620,502.21/x - Step 3: Cross multiply
127,736,754.21x = 191,637,447.98 × 35,620,502.21 - Step 4: Simplify right side
127,736,754.21x = 6,826,222,138,154,060 - Step 5: Solve for x
x = 6,826,222,138,154,060/127,736,754.21 - Step 6: Final answer
x = 53,439,765.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.