Finding the Fourth Proportional to 264,961,411.26, 397,612,176.79 and 128,572,393.02
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Solution
The fourth proportional to 264,961,411.26, 397,612,176.79 and 128,572,393.02 is: 192,941,111.01
Step by Step Solution
- Step 1: Write the proportion equation
264,961,411.26 : 397,612,176.79 = 128,572,393.02 : x - Step 2: Convert to fraction form
264,961,411.26/397,612,176.79 = 128,572,393.02/x - Step 3: Cross multiply
264,961,411.26x = 397,612,176.79 × 128,572,393.02 - Step 4: Simplify right side
264,961,411.26x = 51,121,949,063,781,600 - Step 5: Solve for x
x = 51,121,949,063,781,600/264,961,411.26 - Step 6: Final answer
x = 192,941,111.01
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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.