Finding the Fourth Proportional to 45,523,286.09, 68,307,347.94 and 21,258,686.49
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Solution
The fourth proportional to 45,523,286.09, 68,307,347.94 and 21,258,686.49 is: 31,898,498.97
Step by Step Solution
- Step 1: Write the proportion equation
45,523,286.09 : 68,307,347.94 = 21,258,686.49 : x - Step 2: Convert to fraction form
45,523,286.09/68,307,347.94 = 21,258,686.49/x - Step 3: Cross multiply
45,523,286.09x = 68,307,347.94 × 21,258,686.49 - Step 4: Simplify right side
45,523,286.09x = 1,452,124,494,603,514.50 - Step 5: Solve for x
x = 1,452,124,494,603,514.50/45,523,286.09 - Step 6: Final answer
x = 31,898,498.97
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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.