Finding the Fourth Proportional to 74,757,675.68, 103,165,399.68 and 41,717,581.28
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Solution
The fourth proportional to 74,757,675.68, 103,165,399.68 and 41,717,581.28 is: 57,570,154.60
Step by Step Solution
- Step 1: Write the proportion equation
74,757,675.68 : 103,165,399.68 = 41,717,581.28 : x - Step 2: Convert to fraction form
74,757,675.68/103,165,399.68 = 41,717,581.28/x - Step 3: Cross multiply
74,757,675.68x = 103,165,399.68 × 41,717,581.28 - Step 4: Simplify right side
74,757,675.68x = 4,303,810,946,434,086.50 - Step 5: Solve for x
x = 4,303,810,946,434,086.50/74,757,675.68 - Step 6: Final answer
x = 57,570,154.60
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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.