Finding the Fourth Proportional to 272,975,706.28, 409,463,560.62 and 91,222,884.28
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Solution
The fourth proportional to 272,975,706.28, 409,463,560.62 and 91,222,884.28 is: 136,834,326.82
Step by Step Solution
- Step 1: Write the proportion equation
272,975,706.28 : 409,463,560.62 = 91,222,884.28 : x - Step 2: Convert to fraction form
272,975,706.28/409,463,560.62 = 91,222,884.28/x - Step 3: Cross multiply
272,975,706.28x = 409,463,560.62 × 91,222,884.28 - Step 4: Simplify right side
272,975,706.28x = 37,352,447,007,315,024 - Step 5: Solve for x
x = 37,352,447,007,315,024/272,975,706.28 - Step 6: Final answer
x = 136,834,326.82
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1.5x scale
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.