Finding the Fourth Proportional to 120,966,029.70, 181,449,044.55 and 120,966,029.70
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Solution
The fourth proportional to 120,966,029.70, 181,449,044.55 and 120,966,029.70 is: 181,449,044.55
Step by Step Solution
- Step 1: Write the proportion equation
120,966,029.70 : 181,449,044.55 = 120,966,029.70 : x - Step 2: Convert to fraction form
120,966,029.70/181,449,044.55 = 120,966,029.70/x - Step 3: Cross multiply
120,966,029.70x = 181,449,044.55 × 120,966,029.70 - Step 4: Simplify right side
120,966,029.70x = 21,949,170,512,071,924 - Step 5: Solve for x
x = 21,949,170,512,071,924/120,966,029.70 - Step 6: Final answer
x = 181,449,044.55
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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.