Finding the Fourth Proportional to 195,481,128.40, 293,387,029.80 and 80,548,154.80
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Solution
The fourth proportional to 195,481,128.40, 293,387,029.80 and 80,548,154.80 is: 120,890,359.53
Step by Step Solution
- Step 1: Write the proportion equation
195,481,128.40 : 293,387,029.80 = 80,548,154.80 : x - Step 2: Convert to fraction form
195,481,128.40/293,387,029.80 = 80,548,154.80/x - Step 3: Cross multiply
195,481,128.40x = 293,387,029.80 × 80,548,154.80 - Step 4: Simplify right side
195,481,128.40x = 23,631,783,892,642,612 - Step 5: Solve for x
x = 23,631,783,892,642,612/195,481,128.40 - Step 6: Final answer
x = 120,890,359.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.