Finding the Fourth Proportional to 48,237,052.80, 66,572,881.92 and 27,617,122.56
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Solution
The fourth proportional to 48,237,052.80, 66,572,881.92 and 27,617,122.56 is: 38,114,920.64
Step by Step Solution
- Step 1: Write the proportion equation
48,237,052.80 : 66,572,881.92 = 27,617,122.56 : x - Step 2: Convert to fraction form
48,237,052.80/66,572,881.92 = 27,617,122.56/x - Step 3: Cross multiply
48,237,052.80x = 66,572,881.92 × 27,617,122.56 - Step 4: Simplify right side
48,237,052.80x = 1,838,551,439,157,048 - Step 5: Solve for x
x = 1,838,551,439,157,048/48,237,052.80 - Step 6: Final answer
x = 38,114,920.64
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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.