Finding the Fourth Proportional to 51,415,157.28, 70,952,909.37 and 29,389,129.65
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Solution
The fourth proportional to 51,415,157.28, 70,952,909.37 and 29,389,129.65 is: 40,556,994.53
Step by Step Solution
- Step 1: Write the proportion equation
51,415,157.28 : 70,952,909.37 = 29,389,129.65 : x - Step 2: Convert to fraction form
51,415,157.28/70,952,909.37 = 29,389,129.65/x - Step 3: Cross multiply
51,415,157.28x = 70,952,909.37 × 29,389,129.65 - Step 4: Simplify right side
51,415,157.28x = 2,085,244,252,519,629.75 - Step 5: Solve for x
x = 2,085,244,252,519,629.75/51,415,157.28 - Step 6: Final answer
x = 40,556,994.53
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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.