Finding the Fourth Proportional to 202,107,405.80, 302,594,238.30 and 196,438,701.80
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Solution
The fourth proportional to 202,107,405.80, 302,594,238.30 and 196,438,701.80 is: 294,107,081.87
Step by Step Solution
- Step 1: Write the proportion equation
202,107,405.80 : 302,594,238.30 = 196,438,701.80 : x - Step 2: Convert to fraction form
202,107,405.80/302,594,238.30 = 196,438,701.80/x - Step 3: Cross multiply
202,107,405.80x = 302,594,238.30 × 196,438,701.80 - Step 4: Simplify right side
202,107,405.80x = 59,441,219,343,811,848 - Step 5: Solve for x
x = 59,441,219,343,811,848/202,107,405.80 - Step 6: Final answer
x = 294,107,081.87
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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.