Finding the Fourth Proportional to 79,842,575.32, 110,182,676.79 and 43,173,058.84
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Solution
The fourth proportional to 79,842,575.32, 110,182,676.79 and 43,173,058.84 is: 59,578,779.48
Step by Step Solution
- Step 1: Write the proportion equation
79,842,575.32 : 110,182,676.79 = 43,173,058.84 : x - Step 2: Convert to fraction form
79,842,575.32/110,182,676.79 = 43,173,058.84/x - Step 3: Cross multiply
79,842,575.32x = 110,182,676.79 × 43,173,058.84 - Step 4: Simplify right side
79,842,575.32x = 4,756,923,188,203,373 - Step 5: Solve for x
x = 4,756,923,188,203,373/79,842,575.32 - Step 6: Final answer
x = 59,578,779.48
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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.