Finding the Fourth Proportional to 52,587,243.45, 79,239,811.41 and 43,212,624.21
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Solution
The fourth proportional to 52,587,243.45, 79,239,811.41 and 43,212,624.21 is: 65,113,893.95
Step by Step Solution
- Step 1: Write the proportion equation
52,587,243.45 : 79,239,811.41 = 43,212,624.21 : x - Step 2: Convert to fraction form
52,587,243.45/79,239,811.41 = 43,212,624.21/x - Step 3: Cross multiply
52,587,243.45x = 79,239,811.41 × 43,212,624.21 - Step 4: Simplify right side
52,587,243.45x = 3,424,160,192,931,600 - Step 5: Solve for x
x = 3,424,160,192,931,600/52,587,243.45 - Step 6: Final answer
x = 65,113,893.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.