Finding the Fourth Proportional to 272,282,242.94, 407,577,921.71 and 147,474,887.97
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Solution
The fourth proportional to 272,282,242.94, 407,577,921.71 and 147,474,887.97 is: 220,754,418.99
Step by Step Solution
- Step 1: Write the proportion equation
272,282,242.94 : 407,577,921.71 = 147,474,887.97 : x - Step 2: Convert to fraction form
272,282,242.94/407,577,921.71 = 147,474,887.97/x - Step 3: Cross multiply
272,282,242.94x = 407,577,921.71 × 147,474,887.97 - Step 4: Simplify right side
272,282,242.94x = 60,107,508,342,646,400 - Step 5: Solve for x
x = 60,107,508,342,646,400/272,282,242.94 - Step 6: Final answer
x = 220,754,418.99
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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.