Finding the Fourth Proportional to 125,302,651.36, 172,903,634.13 and 69,550,421.96
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Solution
The fourth proportional to 125,302,651.36, 172,903,634.13 and 69,550,421.96 is: 95,971,797.73
Step by Step Solution
- Step 1: Write the proportion equation
125,302,651.36 : 172,903,634.13 = 69,550,421.96 : x - Step 2: Convert to fraction form
125,302,651.36/172,903,634.13 = 69,550,421.96/x - Step 3: Cross multiply
125,302,651.36x = 172,903,634.13 × 69,550,421.96 - Step 4: Simplify right side
125,302,651.36x = 12,025,520,711,294,438 - Step 5: Solve for x
x = 12,025,520,711,294,438/125,302,651.36 - Step 6: Final answer
x = 95,971,797.73
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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.