Finding the Fourth Proportional to 272,958,743.70, 409,438,115.55 and 88,725,863.70
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Solution
The fourth proportional to 272,958,743.70, 409,438,115.55 and 88,725,863.70 is: 133,088,795.55
Step by Step Solution
- Step 1: Write the proportion equation
272,958,743.70 : 409,438,115.55 = 88,725,863.70 : x - Step 2: Convert to fraction form
272,958,743.70/409,438,115.55 = 88,725,863.70/x - Step 3: Cross multiply
272,958,743.70x = 409,438,115.55 × 88,725,863.70 - Step 4: Simplify right side
272,958,743.70x = 36,327,750,433,874,152 - Step 5: Solve for x
x = 36,327,750,433,874,152/272,958,743.70 - Step 6: Final answer
x = 133,088,795.55
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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.