Finding the Fourth Proportional to 79,255,610.92, 109,373,535.12 and 44,447,554.02
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Solution
The fourth proportional to 79,255,610.92, 109,373,535.12 and 44,447,554.02 is: 61,338,068.74
Step by Step Solution
- Step 1: Write the proportion equation
79,255,610.92 : 109,373,535.12 = 44,447,554.02 : x - Step 2: Convert to fraction form
79,255,610.92/109,373,535.12 = 44,447,554.02/x - Step 3: Cross multiply
79,255,610.92x = 109,373,535.12 × 44,447,554.02 - Step 4: Simplify right side
79,255,610.92x = 4,861,386,110,604,568 - Step 5: Solve for x
x = 4,861,386,110,604,568/79,255,610.92 - Step 6: Final answer
x = 61,338,068.74
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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.