Finding the Fourth Proportional to 79,255,578.60, 109,373,490.74 and 44,447,521.70
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Solution
The fourth proportional to 79,255,578.60, 109,373,490.74 and 44,447,521.70 is: 61,338,024.27
Step by Step Solution
- Step 1: Write the proportion equation
79,255,578.60 : 109,373,490.74 = 44,447,521.70 : x - Step 2: Convert to fraction form
79,255,578.60/109,373,490.74 = 44,447,521.70/x - Step 3: Cross multiply
79,255,578.60x = 109,373,490.74 × 44,447,521.70 - Step 4: Simplify right side
79,255,578.60x = 4,861,380,603,455,452 - Step 5: Solve for x
x = 4,861,380,603,455,452/79,255,578.60 - Step 6: Final answer
x = 61,338,024.27
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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.