Finding the Fourth Proportional to 299,560,655.80, 449,340,983.70 and 72,625,871.80
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Solution
The fourth proportional to 299,560,655.80, 449,340,983.70 and 72,625,871.80 is: 108,938,807.70
Step by Step Solution
- Step 1: Write the proportion equation
299,560,655.80 : 449,340,983.70 = 72,625,871.80 : x - Step 2: Convert to fraction form
299,560,655.80/449,340,983.70 = 72,625,871.80/x - Step 3: Cross multiply
299,560,655.80x = 449,340,983.70 × 72,625,871.80 - Step 4: Simplify right side
299,560,655.80x = 32,633,780,676,682,088 - Step 5: Solve for x
x = 32,633,780,676,682,088/299,560,655.80 - Step 6: Final answer
x = 108,938,807.70
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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.