Finding the Fourth Proportional to 126,394,833.16, 174,416,059.65 and 71,380,060.84
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Solution
The fourth proportional to 126,394,833.16, 174,416,059.65 and 71,380,060.84 is: 98,499,508.55
Step by Step Solution
- Step 1: Write the proportion equation
126,394,833.16 : 174,416,059.65 = 71,380,060.84 : x - Step 2: Convert to fraction form
126,394,833.16/174,416,059.65 = 71,380,060.84/x - Step 3: Cross multiply
126,394,833.16x = 174,416,059.65 × 71,380,060.84 - Step 4: Simplify right side
126,394,833.16x = 12,449,828,949,290,070 - Step 5: Solve for x
x = 12,449,828,949,290,070/126,394,833.16 - Step 6: Final answer
x = 98,499,508.55
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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.