Finding the Fourth Proportional to 71,596,801.80, 107,395,202.70 and 40,985,800.20
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Solution
The fourth proportional to 71,596,801.80, 107,395,202.70 and 40,985,800.20 is: 61,478,700.30
Step by Step Solution
- Step 1: Write the proportion equation
71,596,801.80 : 107,395,202.70 = 40,985,800.20 : x - Step 2: Convert to fraction form
71,596,801.80/107,395,202.70 = 40,985,800.20/x - Step 3: Cross multiply
71,596,801.80x = 107,395,202.70 × 40,985,800.20 - Step 4: Simplify right side
71,596,801.80x = 4,401,678,320,300,701 - Step 5: Solve for x
x = 4,401,678,320,300,701/71,596,801.80 - Step 6: Final answer
x = 61,478,700.30
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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.