Finding the Fourth Proportional to 79,596,208.12, 119,353,679.40 and 36,428,399.92
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Solution
The fourth proportional to 79,596,208.12, 119,353,679.40 and 36,428,399.92 is: 54,624,003.68
Step by Step Solution
- Step 1: Write the proportion equation
79,596,208.12 : 119,353,679.40 = 36,428,399.92 : x - Step 2: Convert to fraction form
79,596,208.12/119,353,679.40 = 36,428,399.92/x - Step 3: Cross multiply
79,596,208.12x = 119,353,679.40 × 36,428,399.92 - Step 4: Simplify right side
79,596,208.12x = 4,347,863,565,106,666 - Step 5: Solve for x
x = 4,347,863,565,106,666/79,596,208.12 - Step 6: Final answer
x = 54,624,003.68
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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.