Finding the Fourth Proportional to 125,070,112.39, 172,596,771.48 and 69,319,132.18
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Solution
The fourth proportional to 125,070,112.39, 172,596,771.48 and 69,319,132.18 is: 95,660,411.49
Step by Step Solution
- Step 1: Write the proportion equation
125,070,112.39 : 172,596,771.48 = 69,319,132.18 : x - Step 2: Convert to fraction form
125,070,112.39/172,596,771.48 = 69,319,132.18/x - Step 3: Cross multiply
125,070,112.39x = 172,596,771.48 × 69,319,132.18 - Step 4: Simplify right side
125,070,112.39x = 11,964,258,416,063,374 - Step 5: Solve for x
x = 11,964,258,416,063,374/125,070,112.39 - Step 6: Final answer
x = 95,660,411.49
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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.