Finding the Fourth Proportional to 191,474,226.72, 287,169,349.68 and 55,129,998.24
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Solution
The fourth proportional to 191,474,226.72, 287,169,349.68 and 55,129,998.24 is: 82,682,907.32
Step by Step Solution
- Step 1: Write the proportion equation
191,474,226.72 : 287,169,349.68 = 55,129,998.24 : x - Step 2: Convert to fraction form
191,474,226.72/287,169,349.68 = 55,129,998.24/x - Step 3: Cross multiply
191,474,226.72x = 287,169,349.68 × 55,129,998.24 - Step 4: Simplify right side
191,474,226.72x = 15,831,645,742,440,346 - Step 5: Solve for x
x = 15,831,645,742,440,346/191,474,226.72 - Step 6: Final answer
x = 82,682,907.32
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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.