Finding the Fourth Proportional to 294,041,479.20, 441,062,218.80 and 121,460,935.20
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Solution
The fourth proportional to 294,041,479.20, 441,062,218.80 and 121,460,935.20 is: 182,191,402.80
Step by Step Solution
- Step 1: Write the proportion equation
294,041,479.20 : 441,062,218.80 = 121,460,935.20 : x - Step 2: Convert to fraction form
294,041,479.20/441,062,218.80 = 121,460,935.20/x - Step 3: Cross multiply
294,041,479.20x = 441,062,218.80 × 121,460,935.20 - Step 4: Simplify right side
294,041,479.20x = 53,571,829,576,835,024 - Step 5: Solve for x
x = 53,571,829,576,835,024/294,041,479.20 - Step 6: Final answer
x = 182,191,402.80
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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.