Finding the Fourth Proportional to 45,372,415.16, 68,041,947.78 and 16,218,387.08
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Solution
The fourth proportional to 45,372,415.16, 68,041,947.78 and 16,218,387.08 is: 24,321,620.15
Step by Step Solution
- Step 1: Write the proportion equation
45,372,415.16 : 68,041,947.78 = 16,218,387.08 : x - Step 2: Convert to fraction form
45,372,415.16/68,041,947.78 = 16,218,387.08/x - Step 3: Cross multiply
45,372,415.16x = 68,041,947.78 × 16,218,387.08 - Step 4: Simplify right side
45,372,415.16x = 1,103,530,646,773,186.75 - Step 5: Solve for x
x = 1,103,530,646,773,186.75/45,372,415.16 - Step 6: Final answer
x = 24,321,620.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.