Finding the Fourth Proportional to 125,070,117.39, 172,596,778.38 and 69,319,137.18
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Solution
The fourth proportional to 125,070,117.39, 172,596,778.38 and 69,319,137.18 is: 95,660,418.39
Step by Step Solution
- Step 1: Write the proportion equation
125,070,117.39 : 172,596,778.38 = 69,319,137.18 : x - Step 2: Convert to fraction form
125,070,117.39/172,596,778.38 = 69,319,137.18/x - Step 3: Cross multiply
125,070,117.39x = 172,596,778.38 × 69,319,137.18 - Step 4: Simplify right side
125,070,117.39x = 11,964,259,757,349,280 - Step 5: Solve for x
x = 11,964,259,757,349,280/125,070,117.39 - Step 6: Final answer
x = 95,660,418.39
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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.