Finding the Fourth Proportional to 58,009,868.09, 87,013,538.12 and 27,287,418.49
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Solution
The fourth proportional to 58,009,868.09, 87,013,538.12 and 27,287,418.49 is: 40,930,533.15
Step by Step Solution
- Step 1: Write the proportion equation
58,009,868.09 : 87,013,538.12 = 27,287,418.49 : x - Step 2: Convert to fraction form
58,009,868.09/87,013,538.12 = 27,287,418.49/x - Step 3: Cross multiply
58,009,868.09x = 87,013,538.12 × 27,287,418.49 - Step 4: Simplify right side
58,009,868.09x = 2,374,374,829,162,651.50 - Step 5: Solve for x
x = 2,374,374,829,162,651.50/58,009,868.09 - Step 6: Final answer
x = 40,930,533.15
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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.