Finding the Fourth Proportional to 94,542,556.70, 130,478,758.78 and 55,417,205.98
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Solution
The fourth proportional to 94,542,556.70, 130,478,758.78 and 55,417,205.98 is: 76,481,623.77
Step by Step Solution
- Step 1: Write the proportion equation
94,542,556.70 : 130,478,758.78 = 55,417,205.98 : x - Step 2: Convert to fraction form
94,542,556.70/130,478,758.78 = 55,417,205.98/x - Step 3: Cross multiply
94,542,556.70x = 130,478,758.78 × 55,417,205.98 - Step 4: Simplify right side
94,542,556.70x = 7,230,768,251,325,993 - Step 5: Solve for x
x = 7,230,768,251,325,993/94,542,556.70 - Step 6: Final answer
x = 76,481,623.77
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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.