Finding the Fourth Proportional to 162,336,597.99, 243,588,615.39 and 76,083,767.43
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Solution
The fourth proportional to 162,336,597.99, 243,588,615.39 and 76,083,767.43 is: 114,164,888.21
Step by Step Solution
- Step 1: Write the proportion equation
162,336,597.99 : 243,588,615.39 = 76,083,767.43 : x - Step 2: Convert to fraction form
162,336,597.99/243,588,615.39 = 76,083,767.43/x - Step 3: Cross multiply
162,336,597.99x = 243,588,615.39 × 76,083,767.43 - Step 4: Simplify right side
162,336,597.99x = 18,533,139,561,015,020 - Step 5: Solve for x
x = 18,533,139,561,015,020/162,336,597.99 - Step 6: Final answer
x = 114,164,888.21
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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.