Finding the Fourth Proportional to 107,968,016.70, 148,995,535.62 and 58,408,375.68
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Solution
The fourth proportional to 107,968,016.70, 148,995,535.62 and 58,408,375.68 is: 80,603,381.31
Step by Step Solution
- Step 1: Write the proportion equation
107,968,016.70 : 148,995,535.62 = 58,408,375.68 : x - Step 2: Convert to fraction form
107,968,016.70/148,995,535.62 = 58,408,375.68/x - Step 3: Cross multiply
107,968,016.70x = 148,995,535.62 × 58,408,375.68 - Step 4: Simplify right side
107,968,016.70x = 8,702,587,219,135,782 - Step 5: Solve for x
x = 8,702,587,219,135,782/107,968,016.70 - Step 6: Final answer
x = 80,603,381.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.