Finding the Fourth Proportional to 52,878,639.23, 72,972,786.25 and 33,043,921.99
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Solution
The fourth proportional to 52,878,639.23, 72,972,786.25 and 33,043,921.99 is: 45,600,777.39
Step by Step Solution
- Step 1: Write the proportion equation
52,878,639.23 : 72,972,786.25 = 33,043,921.99 : x - Step 2: Convert to fraction form
52,878,639.23/72,972,786.25 = 33,043,921.99/x - Step 3: Cross multiply
52,878,639.23x = 72,972,786.25 × 33,043,921.99 - Step 4: Simplify right side
52,878,639.23x = 2,411,307,056,237,944.50 - Step 5: Solve for x
x = 2,411,307,056,237,944.50/52,878,639.23 - Step 6: Final answer
x = 45,600,777.39
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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.