Finding the Fourth Proportional to 65,302,660.61, 97,968,162.67 and 19,863,274.13
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Solution
The fourth proportional to 65,302,660.61, 97,968,162.67 and 19,863,274.13 is: 29,799,221.85
Step by Step Solution
- Step 1: Write the proportion equation
65,302,660.61 : 97,968,162.67 = 19,863,274.13 : x - Step 2: Convert to fraction form
65,302,660.61/97,968,162.67 = 19,863,274.13/x - Step 3: Cross multiply
65,302,660.61x = 97,968,162.67 × 19,863,274.13 - Step 4: Simplify right side
65,302,660.61x = 1,945,968,470,587,143.75 - Step 5: Solve for x
x = 1,945,968,470,587,143.75/65,302,660.61 - Step 6: Final answer
x = 29,799,221.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.