Finding the Fourth Proportional to 60,756,615.84, 83,843,824.32 and 32,879,305.92
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Solution
The fourth proportional to 60,756,615.84, 83,843,824.32 and 32,879,305.92 is: 45,373,276.82
Step by Step Solution
- Step 1: Write the proportion equation
60,756,615.84 : 83,843,824.32 = 32,879,305.92 : x - Step 2: Convert to fraction form
60,756,615.84/83,843,824.32 = 32,879,305.92/x - Step 3: Cross multiply
60,756,615.84x = 83,843,824.32 × 32,879,305.92 - Step 4: Simplify right side
60,756,615.84x = 2,756,726,749,320,016 - Step 5: Solve for x
x = 2,756,726,749,320,016/60,756,615.84 - Step 6: Final answer
x = 45,373,276.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.