Finding the Fourth Proportional to 65,235,543.70, 97,853,315.55 and 19,797,265.30
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Solution
The fourth proportional to 65,235,543.70, 97,853,315.55 and 19,797,265.30 is: 29,695,897.95
Step by Step Solution
- Step 1: Write the proportion equation
65,235,543.70 : 97,853,315.55 = 19,797,265.30 : x - Step 2: Convert to fraction form
65,235,543.70/97,853,315.55 = 19,797,265.30/x - Step 3: Cross multiply
65,235,543.70x = 97,853,315.55 × 19,797,265.30 - Step 4: Simplify right side
65,235,543.70x = 1,937,228,048,427,965.50 - Step 5: Solve for x
x = 1,937,228,048,427,965.50/65,235,543.70 - Step 6: Final answer
x = 29,695,897.95
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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.