Finding the Fourth Proportional to 67,639,293.08, 101,457,164.63 and 21,583,972.49
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Solution
The fourth proportional to 67,639,293.08, 101,457,164.63 and 21,583,972.49 is: 32,375,392.32
Step by Step Solution
- Step 1: Write the proportion equation
67,639,293.08 : 101,457,164.63 = 21,583,972.49 : x - Step 2: Convert to fraction form
67,639,293.08/101,457,164.63 = 21,583,972.49/x - Step 3: Cross multiply
67,639,293.08x = 101,457,164.63 × 21,583,972.49 - Step 4: Simplify right side
67,639,293.08x = 2,189,848,649,833,995 - Step 5: Solve for x
x = 2,189,848,649,833,995/67,639,293.08 - Step 6: Final answer
x = 32,375,392.32
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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.