Finding the Fourth Proportional to 73,497,248.40, 110,245,872.60 and 22,372,624.20
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Solution
The fourth proportional to 73,497,248.40, 110,245,872.60 and 22,372,624.20 is: 33,558,936.30
Step by Step Solution
- Step 1: Write the proportion equation
73,497,248.40 : 110,245,872.60 = 22,372,624.20 : x - Step 2: Convert to fraction form
73,497,248.40/110,245,872.60 = 22,372,624.20/x - Step 3: Cross multiply
73,497,248.40x = 110,245,872.60 × 22,372,624.20 - Step 4: Simplify right side
73,497,248.40x = 2,466,489,477,280,876.50 - Step 5: Solve for x
x = 2,466,489,477,280,876.50/73,497,248.40 - Step 6: Final answer
x = 33,558,936.30
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Double scale
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1.5x scale
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.