Finding the Fourth Proportional to 84,120,195.99, 116,086,031.13 and 46,443,432.81
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Solution
The fourth proportional to 84,120,195.99, 116,086,031.13 and 46,443,432.81 is: 64,092,025.99
Step by Step Solution
- Step 1: Write the proportion equation
84,120,195.99 : 116,086,031.13 = 46,443,432.81 : x - Step 2: Convert to fraction form
84,120,195.99/116,086,031.13 = 46,443,432.81/x - Step 3: Cross multiply
84,120,195.99x = 116,086,031.13 × 46,443,432.81 - Step 4: Simplify right side
84,120,195.99x = 5,391,433,787,314,197 - Step 5: Solve for x
x = 5,391,433,787,314,197/84,120,195.99 - Step 6: Final answer
x = 64,092,025.99
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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.