Finding the Fourth Proportional to 79,255,916.10, 109,373,956.46 and 44,447,859.20
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Solution
The fourth proportional to 79,255,916.10, 109,373,956.46 and 44,447,859.20 is: 61,338,490.00
Step by Step Solution
- Step 1: Write the proportion equation
79,255,916.10 : 109,373,956.46 = 44,447,859.20 : x - Step 2: Convert to fraction form
79,255,916.10/109,373,956.46 = 44,447,859.20/x - Step 3: Cross multiply
79,255,916.10x = 109,373,956.46 × 44,447,859.20 - Step 4: Simplify right side
79,255,916.10x = 4,861,438,217,098,885 - Step 5: Solve for x
x = 4,861,438,217,098,885/79,255,916.10 - Step 6: Final answer
x = 61,338,490.00
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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.