Finding the Fourth Proportional to 49,712,115.98, 68,604,848.97 and 27,685,615.16
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Solution
The fourth proportional to 49,712,115.98, 68,604,848.97 and 27,685,615.16 is: 38,207,334.56
Step by Step Solution
- Step 1: Write the proportion equation
49,712,115.98 : 68,604,848.97 = 27,685,615.16 : x - Step 2: Convert to fraction form
49,712,115.98/68,604,848.97 = 27,685,615.16/x - Step 3: Cross multiply
49,712,115.98x = 68,604,848.97 × 27,685,615.16 - Step 4: Simplify right side
49,712,115.98x = 1,899,367,446,693,342.25 - Step 5: Solve for x
x = 1,899,367,446,693,342.25/49,712,115.98 - Step 6: Final answer
x = 38,207,334.56
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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.