Finding the Fourth Proportional to 60,842,445.78, 91,202,257.70 and 38,139,286.26
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Solution
The fourth proportional to 60,842,445.78, 91,202,257.70 and 38,139,286.26 is: 57,170,433.72
Step by Step Solution
- Step 1: Write the proportion equation
60,842,445.78 : 91,202,257.70 = 38,139,286.26 : x - Step 2: Convert to fraction form
60,842,445.78/91,202,257.70 = 38,139,286.26/x - Step 3: Cross multiply
60,842,445.78x = 91,202,257.70 × 38,139,286.26 - Step 4: Simplify right side
60,842,445.78x = 3,478,389,013,978,589 - Step 5: Solve for x
x = 3,478,389,013,978,589/60,842,445.78 - Step 6: Final answer
x = 57,170,433.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.