Finding the Fourth Proportional to 128,734,393.60, 193,187,451.28 and 46,853,249.08
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Solution
The fourth proportional to 128,734,393.60, 193,187,451.28 and 46,853,249.08 is: 70,311,122.93
Step by Step Solution
- Step 1: Write the proportion equation
128,734,393.60 : 193,187,451.28 = 46,853,249.08 : x - Step 2: Convert to fraction form
128,734,393.60/193,187,451.28 = 46,853,249.08/x - Step 3: Cross multiply
128,734,393.60x = 193,187,451.28 × 46,853,249.08 - Step 4: Simplify right side
128,734,393.60x = 9,051,459,773,952,204 - Step 5: Solve for x
x = 9,051,459,773,952,204/128,734,393.60 - Step 6: Final answer
x = 70,311,122.93
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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.