Finding the Fourth Proportional to 129,352,803.20, 194,029,204.80 and 117,448,524.80
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Solution
The fourth proportional to 129,352,803.20, 194,029,204.80 and 117,448,524.80 is: 176,172,787.20
Step by Step Solution
- Step 1: Write the proportion equation
129,352,803.20 : 194,029,204.80 = 117,448,524.80 : x - Step 2: Convert to fraction form
129,352,803.20/194,029,204.80 = 117,448,524.80/x - Step 3: Cross multiply
129,352,803.20x = 194,029,204.80 × 117,448,524.80 - Step 4: Simplify right side
129,352,803.20x = 22,788,443,871,877,080 - Step 5: Solve for x
x = 22,788,443,871,877,080/129,352,803.20 - Step 6: Final answer
x = 176,172,787.20
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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.