Finding the Fourth Proportional to 56,668,358.70, 84,860,820.45 and 45,330,950.70
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Solution
The fourth proportional to 56,668,358.70, 84,860,820.45 and 45,330,950.70 is: 67,883,061.31
Step by Step Solution
- Step 1: Write the proportion equation
56,668,358.70 : 84,860,820.45 = 45,330,950.70 : x - Step 2: Convert to fraction form
56,668,358.70/84,860,820.45 = 45,330,950.70/x - Step 3: Cross multiply
56,668,358.70x = 84,860,820.45 × 45,330,950.70 - Step 4: Simplify right side
56,668,358.70x = 3,846,821,668,180,502 - Step 5: Solve for x
x = 3,846,821,668,180,502/56,668,358.70 - Step 6: Final answer
x = 67,883,061.31
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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.