Finding the Fourth Proportional to 57,195,609.34, 77,874,005.28 and 57,014,005.99
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Solution
The fourth proportional to 57,195,609.34, 77,874,005.28 and 57,014,005.99 is: 77,626,745.39
Step by Step Solution
- Step 1: Write the proportion equation
57,195,609.34 : 77,874,005.28 = 57,014,005.99 : x - Step 2: Convert to fraction form
57,195,609.34/77,874,005.28 = 57,014,005.99/x - Step 3: Cross multiply
57,195,609.34x = 77,874,005.28 × 57,014,005.99 - Step 4: Simplify right side
57,195,609.34x = 4,439,909,003,499,212 - Step 5: Solve for x
x = 4,439,909,003,499,212/57,195,609.34 - Step 6: Final answer
x = 77,626,745.39
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.