Finding the Fourth Proportional to 103,670,985.60, 155,446,315.76 and 49,083,112.84
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Solution
The fourth proportional to 103,670,985.60, 155,446,315.76 and 49,083,112.84 is: 73,596,185.21
Step by Step Solution
- Step 1: Write the proportion equation
103,670,985.60 : 155,446,315.76 = 49,083,112.84 : x - Step 2: Convert to fraction form
103,670,985.60/155,446,315.76 = 49,083,112.84/x - Step 3: Cross multiply
103,670,985.60x = 155,446,315.76 × 49,083,112.84 - Step 4: Simplify right side
103,670,985.60x = 7,629,789,057,010,350 - Step 5: Solve for x
x = 7,629,789,057,010,350/103,670,985.60 - Step 6: Final answer
x = 73,596,185.21
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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.