Finding the Fourth Proportional to 129,557,764.40, 194,338,720.20 and 33,819,652.40
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Solution
The fourth proportional to 129,557,764.40, 194,338,720.20 and 33,819,652.40 is: 50,730,019.89
Step by Step Solution
- Step 1: Write the proportion equation
129,557,764.40 : 194,338,720.20 = 33,819,652.40 : x - Step 2: Convert to fraction form
129,557,764.40/194,338,720.20 = 33,819,652.40/x - Step 3: Cross multiply
129,557,764.40x = 194,338,720.20 × 33,819,652.40 - Step 4: Simplify right side
129,557,764.40x = 6,572,467,965,024,858 - Step 5: Solve for x
x = 6,572,467,965,024,858/129,557,764.40 - Step 6: Final answer
x = 50,730,019.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.