Finding the Fourth Proportional to 49,779,721.86, 74,668,160.04 and 27,203,586.18
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Solution
The fourth proportional to 49,779,721.86, 74,668,160.04 and 27,203,586.18 is: 40,804,601.77
Step by Step Solution
- Step 1: Write the proportion equation
49,779,721.86 : 74,668,160.04 = 27,203,586.18 : x - Step 2: Convert to fraction form
49,779,721.86/74,668,160.04 = 27,203,586.18/x - Step 3: Cross multiply
49,779,721.86x = 74,668,160.04 × 27,203,586.18 - Step 4: Simplify right side
49,779,721.86x = 2,031,241,726,550,172.50 - Step 5: Solve for x
x = 2,031,241,726,550,172.50/49,779,721.86 - Step 6: Final answer
x = 40,804,601.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.