Finding the Fourth Proportional to 99,101,858.64, 136,705,476.36 and 92,087,449.68
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Solution
The fourth proportional to 99,101,858.64, 136,705,476.36 and 92,087,449.68 is: 127,029,491.15
Step by Step Solution
- Step 1: Write the proportion equation
99,101,858.64 : 136,705,476.36 = 92,087,449.68 : x - Step 2: Convert to fraction form
99,101,858.64/136,705,476.36 = 92,087,449.68/x - Step 3: Cross multiply
99,101,858.64x = 136,705,476.36 × 92,087,449.68 - Step 4: Simplify right side
99,101,858.64x = 12,588,858,675,281,932 - Step 5: Solve for x
x = 12,588,858,675,281,932/99,101,858.64 - Step 6: Final answer
x = 127,029,491.15
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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.