Finding the Fourth Proportional to 118,246,655.88, 163,156,716.06 and 66,027,656.88
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Solution
The fourth proportional to 118,246,655.88, 163,156,716.06 and 66,027,656.88 is: 91,104,949.95
Step by Step Solution
- Step 1: Write the proportion equation
118,246,655.88 : 163,156,716.06 = 66,027,656.88 : x - Step 2: Convert to fraction form
118,246,655.88/163,156,716.06 = 66,027,656.88/x - Step 3: Cross multiply
118,246,655.88x = 163,156,716.06 × 66,027,656.88 - Step 4: Simplify right side
118,246,655.88x = 10,772,855,665,677,266 - Step 5: Solve for x
x = 10,772,855,665,677,266/118,246,655.88 - Step 6: Final answer
x = 91,104,949.95
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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.