Finding the Fourth Proportional to 75,603,615.60, 113,330,773.80 and 37,233,721.20
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Solution
The fourth proportional to 75,603,615.60, 113,330,773.80 and 37,233,721.20 is: 55,813,817.92
Step by Step Solution
- Step 1: Write the proportion equation
75,603,615.60 : 113,330,773.80 = 37,233,721.20 : x - Step 2: Convert to fraction form
75,603,615.60/113,330,773.80 = 37,233,721.20/x - Step 3: Cross multiply
75,603,615.60x = 113,330,773.80 × 37,233,721.20 - Step 4: Simplify right side
75,603,615.60x = 4,219,726,435,049,465 - Step 5: Solve for x
x = 4,219,726,435,049,465/75,603,615.60 - Step 6: Final answer
x = 55,813,817.92
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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.