Finding the Fourth Proportional to 56,198,749.48, 84,303,905.16 and 21,213,332.63
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Solution
The fourth proportional to 56,198,749.48, 84,303,905.16 and 21,213,332.63 is: 31,822,181.08
Step by Step Solution
- Step 1: Write the proportion equation
56,198,749.48 : 84,303,905.16 = 21,213,332.63 : x - Step 2: Convert to fraction form
56,198,749.48/84,303,905.16 = 21,213,332.63/x - Step 3: Cross multiply
56,198,749.48x = 84,303,905.16 × 21,213,332.63 - Step 4: Simplify right side
56,198,749.48x = 1,788,366,782,060,986.75 - Step 5: Solve for x
x = 1,788,366,782,060,986.75/56,198,749.48 - Step 6: Final answer
x = 31,822,181.08
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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.