Finding the Fourth Proportional to 71,323,794.41, 106,911,021.35 and 29,848,433.65
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Solution
The fourth proportional to 71,323,794.41, 106,911,021.35 and 29,848,433.65 is: 44,741,401.57
Step by Step Solution
- Step 1: Write the proportion equation
71,323,794.41 : 106,911,021.35 = 29,848,433.65 : x - Step 2: Convert to fraction form
71,323,794.41/106,911,021.35 = 29,848,433.65/x - Step 3: Cross multiply
71,323,794.41x = 106,911,021.35 × 29,848,433.65 - Step 4: Simplify right side
71,323,794.41x = 3,191,126,527,026,552 - Step 5: Solve for x
x = 3,191,126,527,026,552/71,323,794.41 - Step 6: Final answer
x = 44,741,401.57
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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.