Finding the Fourth Proportional to 97,733,940.18, 134,896,325.81 and 55,942,234.60
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Solution
The fourth proportional to 97,733,940.18, 134,896,325.81 and 55,942,234.60 is: 77,213,728.32
Step by Step Solution
- Step 1: Write the proportion equation
97,733,940.18 : 134,896,325.81 = 55,942,234.60 : x - Step 2: Convert to fraction form
97,733,940.18/134,896,325.81 = 55,942,234.60/x - Step 3: Cross multiply
97,733,940.18x = 134,896,325.81 × 55,942,234.60 - Step 4: Simplify right side
97,733,940.18x = 7,546,401,904,869,453 - Step 5: Solve for x
x = 7,546,401,904,869,453/97,733,940.18 - Step 6: Final answer
x = 77,213,728.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.