Finding the Fourth Proportional to 125,085,134.12, 172,627,827.10 and 69,348,045.12
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Solution
The fourth proportional to 125,085,134.12, 172,627,827.10 and 69,348,045.12 is: 95,706,035.95
Step by Step Solution
- Step 1: Write the proportion equation
125,085,134.12 : 172,627,827.10 = 69,348,045.12 : x - Step 2: Convert to fraction form
125,085,134.12/172,627,827.10 = 69,348,045.12/x - Step 3: Cross multiply
125,085,134.12x = 172,627,827.10 × 69,348,045.12 - Step 4: Simplify right side
125,085,134.12x = 11,971,402,342,698,360 - Step 5: Solve for x
x = 11,971,402,342,698,360/125,085,134.12 - Step 6: Final answer
x = 95,706,035.95
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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.