Finding the Fourth Proportional to 58,243,909.28, 80,405,694.96 and 36,224,507.12
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Solution
The fourth proportional to 58,243,909.28, 80,405,694.96 and 36,224,507.12 is: 50,007,918.52
Step by Step Solution
- Step 1: Write the proportion equation
58,243,909.28 : 80,405,694.96 = 36,224,507.12 : x - Step 2: Convert to fraction form
58,243,909.28/80,405,694.96 = 36,224,507.12/x - Step 3: Cross multiply
58,243,909.28x = 80,405,694.96 × 36,224,507.12 - Step 4: Simplify right side
58,243,909.28x = 2,912,656,669,567,067.50 - Step 5: Solve for x
x = 2,912,656,669,567,067.50/58,243,909.28 - Step 6: Final answer
x = 50,007,918.52
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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.