Finding the Fourth Proportional to 79,800,841.31, 110,125,132.13 and 43,131,412.31
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Solution
The fourth proportional to 79,800,841.31, 110,125,132.13 and 43,131,412.31 is: 59,521,333.38
Step by Step Solution
- Step 1: Write the proportion equation
79,800,841.31 : 110,125,132.13 = 43,131,412.31 : x - Step 2: Convert to fraction form
79,800,841.31/110,125,132.13 = 43,131,412.31/x - Step 3: Cross multiply
79,800,841.31x = 110,125,132.13 × 43,131,412.31 - Step 4: Simplify right side
79,800,841.31x = 4,749,852,479,149,461 - Step 5: Solve for x
x = 4,749,852,479,149,461/79,800,841.31 - Step 6: Final answer
x = 59,521,333.38
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1.5x scale
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.