Finding the Fourth Proportional to 264,267,349.80, 396,401,024.70 and 72,791,125.80
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Solution
The fourth proportional to 264,267,349.80, 396,401,024.70 and 72,791,125.80 is: 109,186,688.70
Step by Step Solution
- Step 1: Write the proportion equation
264,267,349.80 : 396,401,024.70 = 72,791,125.80 : x - Step 2: Convert to fraction form
264,267,349.80/396,401,024.70 = 72,791,125.80/x - Step 3: Cross multiply
264,267,349.80x = 396,401,024.70 × 72,791,125.80 - Step 4: Simplify right side
264,267,349.80x = 28,854,476,856,186,604 - Step 5: Solve for x
x = 28,854,476,856,186,604/264,267,349.80 - Step 6: Final answer
x = 109,186,688.70
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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.