Finding the Fourth Proportional to 201,992,742.24, 278,749,858.35 and 109,173,250.09
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Solution
The fourth proportional to 201,992,742.24, 278,749,858.35 and 109,173,250.09 is: 150,659,017.05
Step by Step Solution
- Step 1: Write the proportion equation
201,992,742.24 : 278,749,858.35 = 109,173,250.09 : x - Step 2: Convert to fraction form
201,992,742.24/278,749,858.35 = 109,173,250.09/x - Step 3: Cross multiply
201,992,742.24x = 278,749,858.35 × 109,173,250.09 - Step 4: Simplify right side
201,992,742.24x = 30,432,027,996,257,012 - Step 5: Solve for x
x = 30,432,027,996,257,012/201,992,742.24 - Step 6: Final answer
x = 150,659,017.05
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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.