Finding the Fourth Proportional to 203,125,459.32, 280,312,257.42 and 110,305,202.04
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Solution
The fourth proportional to 203,125,459.32, 280,312,257.42 and 110,305,202.04 is: 152,220,702.87
Step by Step Solution
- Step 1: Write the proportion equation
203,125,459.32 : 280,312,257.42 = 110,305,202.04 : x - Step 2: Convert to fraction form
203,125,459.32/280,312,257.42 = 110,305,202.04/x - Step 3: Cross multiply
203,125,459.32x = 280,312,257.42 × 110,305,202.04 - Step 4: Simplify right side
203,125,459.32x = 30,919,900,189,001,592 - Step 5: Solve for x
x = 30,919,900,189,001,592/203,125,459.32 - Step 6: Final answer
x = 152,220,702.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.