Finding the Fourth Proportional to 194,230,487.40, 291,345,731.10 and 173,067,325.80
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Solution
The fourth proportional to 194,230,487.40, 291,345,731.10 and 173,067,325.80 is: 259,600,988.70
Step by Step Solution
- Step 1: Write the proportion equation
194,230,487.40 : 291,345,731.10 = 173,067,325.80 : x - Step 2: Convert to fraction form
194,230,487.40/291,345,731.10 = 173,067,325.80/x - Step 3: Cross multiply
194,230,487.40x = 291,345,731.10 × 173,067,325.80 - Step 4: Simplify right side
194,230,487.40x = 50,422,426,564,722,896 - Step 5: Solve for x
x = 50,422,426,564,722,896/194,230,487.40 - Step 6: Final answer
x = 259,600,988.70
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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.