Finding the Fourth Proportional to 75,603,616.10, 113,330,774.55 and 37,233,721.70
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Solution
The fourth proportional to 75,603,616.10, 113,330,774.55 and 37,233,721.70 is: 55,813,818.67
Step by Step Solution
- Step 1: Write the proportion equation
75,603,616.10 : 113,330,774.55 = 37,233,721.70 : x - Step 2: Convert to fraction form
75,603,616.10/113,330,774.55 = 37,233,721.70/x - Step 3: Cross multiply
75,603,616.10x = 113,330,774.55 × 37,233,721.70 - Step 4: Simplify right side
75,603,616.10x = 4,219,726,519,640,143 - Step 5: Solve for x
x = 4,219,726,519,640,143/75,603,616.10 - Step 6: Final answer
x = 55,813,818.67
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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.