Finding the Fourth Proportional to 65,198,783.70, 97,861,161.15 and 39,689,615.70
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Solution
The fourth proportional to 65,198,783.70, 97,861,161.15 and 39,689,615.70 is: 59,572,765.90
Step by Step Solution
- Step 1: Write the proportion equation
65,198,783.70 : 97,861,161.15 = 39,689,615.70 : x - Step 2: Convert to fraction form
65,198,783.70/97,861,161.15 = 39,689,615.70/x - Step 3: Cross multiply
65,198,783.70x = 97,861,161.15 × 39,689,615.70 - Step 4: Simplify right side
65,198,783.70x = 3,884,071,877,999,270.50 - Step 5: Solve for x
x = 3,884,071,877,999,270.50/65,198,783.70 - Step 6: Final answer
x = 59,572,765.90
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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.