Finding the Fourth Proportional to 65,235,541.20, 97,853,311.80 and 19,797,262.80
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Solution
The fourth proportional to 65,235,541.20, 97,853,311.80 and 19,797,262.80 is: 29,695,894.20
Step by Step Solution
- Step 1: Write the proportion equation
65,235,541.20 : 97,853,311.80 = 19,797,262.80 : x - Step 2: Convert to fraction form
65,235,541.20/97,853,311.80 = 19,797,262.80/x - Step 3: Cross multiply
65,235,541.20x = 97,853,311.80 × 19,797,262.80 - Step 4: Simplify right side
65,235,541.20x = 1,937,227,729,554,941 - Step 5: Solve for x
x = 1,937,227,729,554,941/65,235,541.20 - Step 6: Final answer
x = 29,695,894.20
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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.