Finding the Fourth Proportional to 103,669,748.98, 155,444,461.80 and 49,081,873.57
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Solution
The fourth proportional to 103,669,748.98, 155,444,461.80 and 49,081,873.57 is: 73,594,327.14
Step by Step Solution
- Step 1: Write the proportion equation
103,669,748.98 : 155,444,461.80 = 49,081,873.57 : x - Step 2: Convert to fraction form
103,669,748.98/155,444,461.80 = 49,081,873.57/x - Step 3: Cross multiply
103,669,748.98x = 155,444,461.80 × 49,081,873.57 - Step 4: Simplify right side
103,669,748.98x = 7,629,505,421,224,295 - Step 5: Solve for x
x = 7,629,505,421,224,295/103,669,748.98 - Step 6: Final answer
x = 73,594,327.14
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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.