Finding the Fourth Proportional to 75,606,862.44, 113,433,828.12 and 27,085,132.56
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Solution
The fourth proportional to 75,606,862.44, 113,433,828.12 and 27,085,132.56 is: 40,636,129.74
Step by Step Solution
- Step 1: Write the proportion equation
75,606,862.44 : 113,433,828.12 = 27,085,132.56 : x - Step 2: Convert to fraction form
75,606,862.44/113,433,828.12 = 27,085,132.56/x - Step 3: Cross multiply
75,606,862.44x = 113,433,828.12 × 27,085,132.56 - Step 4: Simplify right side
75,606,862.44x = 3,072,370,271,418,455.50 - Step 5: Solve for x
x = 3,072,370,271,418,455.50/75,606,862.44 - Step 6: Final answer
x = 40,636,129.74
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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.