Finding the Fourth Proportional to 51,304,676.63, 70,801,599.30 and 29,277,737.51
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Solution
The fourth proportional to 51,304,676.63, 70,801,599.30 and 29,277,737.51 is: 40,403,931.49
Step by Step Solution
- Step 1: Write the proportion equation
51,304,676.63 : 70,801,599.30 = 29,277,737.51 : x - Step 2: Convert to fraction form
51,304,676.63/70,801,599.30 = 29,277,737.51/x - Step 3: Cross multiply
51,304,676.63x = 70,801,599.30 × 29,277,737.51 - Step 4: Simplify right side
51,304,676.63x = 2,072,910,639,593,599.75 - Step 5: Solve for x
x = 2,072,910,639,593,599.75/51,304,676.63 - Step 6: Final answer
x = 40,403,931.49
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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.