Finding the Fourth Proportional to 74,603,934.80, 111,905,902.20 and 44,296,197.20
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Solution
The fourth proportional to 74,603,934.80, 111,905,902.20 and 44,296,197.20 is: 66,444,295.80
Step by Step Solution
- Step 1: Write the proportion equation
74,603,934.80 : 111,905,902.20 = 44,296,197.20 : x - Step 2: Convert to fraction form
74,603,934.80/111,905,902.20 = 44,296,197.20/x - Step 3: Cross multiply
74,603,934.80x = 111,905,902.20 × 44,296,197.20 - Step 4: Simplify right side
74,603,934.80x = 4,957,005,911,695,114 - Step 5: Solve for x
x = 4,957,005,911,695,114/74,603,934.80 - Step 6: Final answer
x = 66,444,295.80
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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.