Finding the Fourth Proportional to 284,252,025.12, 426,535,695.84 and 138,686,782.56
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Solution
The fourth proportional to 284,252,025.12, 426,535,695.84 and 138,686,782.56 is: 208,107,095.38
Step by Step Solution
- Step 1: Write the proportion equation
284,252,025.12 : 426,535,695.84 = 138,686,782.56 : x - Step 2: Convert to fraction form
284,252,025.12/426,535,695.84 = 138,686,782.56/x - Step 3: Cross multiply
284,252,025.12x = 426,535,695.84 × 138,686,782.56 - Step 4: Simplify right side
284,252,025.12x = 59,154,863,303,040,376 - Step 5: Solve for x
x = 59,154,863,303,040,376/284,252,025.12 - Step 6: Final answer
x = 208,107,095.38
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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.