Finding the Fourth Proportional to 149,497,376.80, 224,246,065.20 and 97,841,311.60
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Solution
The fourth proportional to 149,497,376.80, 224,246,065.20 and 97,841,311.60 is: 146,761,967.40
Step by Step Solution
- Step 1: Write the proportion equation
149,497,376.80 : 224,246,065.20 = 97,841,311.60 : x - Step 2: Convert to fraction form
149,497,376.80/224,246,065.20 = 97,841,311.60/x - Step 3: Cross multiply
149,497,376.80x = 224,246,065.20 × 97,841,311.60 - Step 4: Simplify right side
149,497,376.80x = 21,940,529,140,307,112 - Step 5: Solve for x
x = 21,940,529,140,307,112/149,497,376.80 - Step 6: Final answer
x = 146,761,967.40
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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.