Finding the Fourth Proportional to 110,779,251.99, 166,020,344.26 and 86,216,837.67
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Solution
The fourth proportional to 110,779,251.99, 166,020,344.26 and 86,216,837.67 is: 129,209,656.27
Step by Step Solution
- Step 1: Write the proportion equation
110,779,251.99 : 166,020,344.26 = 86,216,837.67 : x - Step 2: Convert to fraction form
110,779,251.99/166,020,344.26 = 86,216,837.67/x - Step 3: Cross multiply
110,779,251.99x = 166,020,344.26 × 86,216,837.67 - Step 4: Simplify right side
110,779,251.99x = 14,313,749,070,981,936 - Step 5: Solve for x
x = 14,313,749,070,981,936/110,779,251.99 - Step 6: Final answer
x = 129,209,656.27
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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.