Finding the Fourth Proportional to 149,497,561.80, 224,246,342.70 and 146,978,137.80
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Solution
The fourth proportional to 149,497,561.80, 224,246,342.70 and 146,978,137.80 is: 220,467,206.70
Step by Step Solution
- Step 1: Write the proportion equation
149,497,561.80 : 224,246,342.70 = 146,978,137.80 : x - Step 2: Convert to fraction form
149,497,561.80/224,246,342.70 = 146,978,137.80/x - Step 3: Cross multiply
149,497,561.80x = 224,246,342.70 × 146,978,137.80 - Step 4: Simplify right side
149,497,561.80x = 32,959,309,858,506,624 - Step 5: Solve for x
x = 32,959,309,858,506,624/149,497,561.80 - Step 6: Final answer
x = 220,467,206.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.