Finding the Fourth Proportional to 279,936,700.90, 419,905,051.35 and 98,202,249.70
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Solution
The fourth proportional to 279,936,700.90, 419,905,051.35 and 98,202,249.70 is: 147,303,374.55
Step by Step Solution
- Step 1: Write the proportion equation
279,936,700.90 : 419,905,051.35 = 98,202,249.70 : x - Step 2: Convert to fraction form
279,936,700.90/419,905,051.35 = 98,202,249.70/x - Step 3: Cross multiply
279,936,700.90x = 419,905,051.35 × 98,202,249.70 - Step 4: Simplify right side
279,936,700.90x = 41,235,620,702,964,024 - Step 5: Solve for x
x = 41,235,620,702,964,024/279,936,700.90 - Step 6: Final answer
x = 147,303,374.55
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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.