Finding the Fourth Proportional to 193,675,461.84, 267,120,939.12 and 124,067,314.80
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Solution
The fourth proportional to 193,675,461.84, 267,120,939.12 and 124,067,314.80 is: 171,116,037.77
Step by Step Solution
- Step 1: Write the proportion equation
193,675,461.84 : 267,120,939.12 = 124,067,314.80 : x - Step 2: Convert to fraction form
193,675,461.84/267,120,939.12 = 124,067,314.80/x - Step 3: Cross multiply
193,675,461.84x = 267,120,939.12 × 124,067,314.80 - Step 4: Simplify right side
193,675,461.84x = 33,140,977,643,472,676 - Step 5: Solve for x
x = 33,140,977,643,472,676/193,675,461.84 - Step 6: Final answer
x = 171,116,037.77
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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.