Finding the Fourth Proportional to 125,302,302.91, 172,903,153.84 and 69,550,073.18
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Solution
The fourth proportional to 125,302,302.91, 172,903,153.84 and 69,550,073.18 is: 95,971,316.75
Step by Step Solution
- Step 1: Write the proportion equation
125,302,302.91 : 172,903,153.84 = 69,550,073.18 : x - Step 2: Convert to fraction form
125,302,302.91/172,903,153.84 = 69,550,073.18/x - Step 3: Cross multiply
125,302,302.91x = 172,903,153.84 × 69,550,073.18 - Step 4: Simplify right side
125,302,302.91x = 12,025,427,002,234,794 - Step 5: Solve for x
x = 12,025,427,002,234,794/125,302,302.91 - Step 6: Final answer
x = 95,971,316.75
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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.