Finding the Fourth Proportional to 97,521,532.96, 134,560,764.66 and 57,821,730.34
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Solution
The fourth proportional to 97,521,532.96, 134,560,764.66 and 57,821,730.34 is: 79,782,751.69
Step by Step Solution
- Step 1: Write the proportion equation
97,521,532.96 : 134,560,764.66 = 57,821,730.34 : x - Step 2: Convert to fraction form
97,521,532.96/134,560,764.66 = 57,821,730.34/x - Step 3: Cross multiply
97,521,532.96x = 134,560,764.66 × 57,821,730.34 - Step 4: Simplify right side
97,521,532.96x = 7,780,536,248,514,722 - Step 5: Solve for x
x = 7,780,536,248,514,722/97,521,532.96 - Step 6: Final answer
x = 79,782,751.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.