Finding the Fourth Proportional to 130,408,089.80, 195,612,134.70 and 97,883,900.60
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Solution
The fourth proportional to 130,408,089.80, 195,612,134.70 and 97,883,900.60 is: 146,825,850.90
Step by Step Solution
- Step 1: Write the proportion equation
130,408,089.80 : 195,612,134.70 = 97,883,900.60 : x - Step 2: Convert to fraction form
130,408,089.80/195,612,134.70 = 97,883,900.60/x - Step 3: Cross multiply
130,408,089.80x = 195,612,134.70 × 97,883,900.60 - Step 4: Simplify right side
130,408,089.80x = 19,147,278,749,128,608 - Step 5: Solve for x
x = 19,147,278,749,128,608/130,408,089.80 - Step 6: Final answer
x = 146,825,850.90
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Similar ratio
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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.