Finding the Fourth Proportional to 162,487,715.46, 224,174,205.23 and 106,763,130.42
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Solution
The fourth proportional to 162,487,715.46, 224,174,205.23 and 106,763,130.42 is: 147,294,457.56
Step by Step Solution
- Step 1: Write the proportion equation
162,487,715.46 : 224,174,205.23 = 106,763,130.42 : x - Step 2: Convert to fraction form
162,487,715.46/224,174,205.23 = 106,763,130.42/x - Step 3: Cross multiply
162,487,715.46x = 224,174,205.23 × 106,763,130.42 - Step 4: Simplify right side
162,487,715.46x = 23,933,539,909,236,520 - Step 5: Solve for x
x = 23,933,539,909,236,520/162,487,715.46 - Step 6: Final answer
x = 147,294,457.56
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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.