Finding the Fourth Proportional to 56,171,945.80, 84,257,918.70 and 47,668,889.80
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Solution
The fourth proportional to 56,171,945.80, 84,257,918.70 and 47,668,889.80 is: 71,503,334.70
Step by Step Solution
- Step 1: Write the proportion equation
56,171,945.80 : 84,257,918.70 = 47,668,889.80 : x - Step 2: Convert to fraction form
56,171,945.80/84,257,918.70 = 47,668,889.80/x - Step 3: Cross multiply
56,171,945.80x = 84,257,918.70 × 47,668,889.80 - Step 4: Simplify right side
56,171,945.80x = 4,016,481,441,287,659 - Step 5: Solve for x
x = 4,016,481,441,287,659/56,171,945.80 - Step 6: Final answer
x = 71,503,334.70
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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.