Finding the Fourth Proportional to 143,324,186.08, 215,110,510.80 and 75,214,996.96
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Solution
The fourth proportional to 143,324,186.08, 215,110,510.80 and 75,214,996.96 is: 112,887,690.89
Step by Step Solution
- Step 1: Write the proportion equation
143,324,186.08 : 215,110,510.80 = 75,214,996.96 : x - Step 2: Convert to fraction form
143,324,186.08/215,110,510.80 = 75,214,996.96/x - Step 3: Cross multiply
143,324,186.08x = 215,110,510.80 × 75,214,996.96 - Step 4: Simplify right side
143,324,186.08x = 16,179,536,415,886,046 - Step 5: Solve for x
x = 16,179,536,415,886,046/143,324,186.08 - Step 6: Final answer
x = 112,887,690.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.