Finding the Fourth Proportional to 115,549,722.72, 159,365,634.84 and 101,581,212.24
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Solution
The fourth proportional to 115,549,722.72, 159,365,634.84 and 101,581,212.24 is: 140,100,330.80
Step by Step Solution
- Step 1: Write the proportion equation
115,549,722.72 : 159,365,634.84 = 101,581,212.24 : x - Step 2: Convert to fraction form
115,549,722.72/159,365,634.84 = 101,581,212.24/x - Step 3: Cross multiply
115,549,722.72x = 159,365,634.84 × 101,581,212.24 - Step 4: Simplify right side
115,549,722.72x = 16,188,554,376,444,378 - Step 5: Solve for x
x = 16,188,554,376,444,378/115,549,722.72 - Step 6: Final answer
x = 140,100,330.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.