Finding the Fourth Proportional to 75,187,348.24, 103,763,674.60 and 42,592,568.08
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Solution
The fourth proportional to 75,187,348.24, 103,763,674.60 and 42,592,568.08 is: 58,780,652.31
Step by Step Solution
- Step 1: Write the proportion equation
75,187,348.24 : 103,763,674.60 = 42,592,568.08 : x - Step 2: Convert to fraction form
75,187,348.24/103,763,674.60 = 42,592,568.08/x - Step 3: Cross multiply
75,187,348.24x = 103,763,674.60 × 42,592,568.08 - Step 4: Simplify right side
75,187,348.24x = 4,419,561,374,631,466.50 - Step 5: Solve for x
x = 4,419,561,374,631,466.50/75,187,348.24 - Step 6: Final answer
x = 58,780,652.31
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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.