Finding the Fourth Proportional to 74,890,923.94, 103,349,615.09 and 41,851,173.12
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Solution
The fourth proportional to 74,890,923.94, 103,349,615.09 and 41,851,173.12 is: 57,754,697.17
Step by Step Solution
- Step 1: Write the proportion equation
74,890,923.94 : 103,349,615.09 = 41,851,173.12 : x - Step 2: Convert to fraction form
74,890,923.94/103,349,615.09 = 41,851,173.12/x - Step 3: Cross multiply
74,890,923.94x = 103,349,615.09 × 41,851,173.12 - Step 4: Simplify right side
74,890,923.94x = 4,325,302,633,016,954.50 - Step 5: Solve for x
x = 4,325,302,633,016,954.50/74,890,923.94 - Step 6: Final answer
x = 57,754,697.17
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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.