Finding the Fourth Proportional to 118,446,638.18, 177,686,125.55 and 49,343,281.26
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Solution
The fourth proportional to 118,446,638.18, 177,686,125.55 and 49,343,281.26 is: 74,021,657.39
Step by Step Solution
- Step 1: Write the proportion equation
118,446,638.18 : 177,686,125.55 = 49,343,281.26 : x - Step 2: Convert to fraction form
118,446,638.18/177,686,125.55 = 49,343,281.26/x - Step 3: Cross multiply
118,446,638.18x = 177,686,125.55 × 49,343,281.26 - Step 4: Simplify right side
118,446,638.18x = 8,767,616,469,561,935 - Step 5: Solve for x
x = 8,767,616,469,561,935/118,446,638.18 - Step 6: Final answer
x = 74,021,657.39
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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.