Finding the Fourth Proportional to 65,610,073.70, 98,415,110.55 and 48,603,961.70
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Solution
The fourth proportional to 65,610,073.70, 98,415,110.55 and 48,603,961.70 is: 72,905,942.55
Step by Step Solution
- Step 1: Write the proportion equation
65,610,073.70 : 98,415,110.55 = 48,603,961.70 : x - Step 2: Convert to fraction form
65,610,073.70/98,415,110.55 = 48,603,961.70/x - Step 3: Cross multiply
65,610,073.70x = 98,415,110.55 × 48,603,961.70 - Step 4: Simplify right side
65,610,073.70x = 4,783,364,263,873,466 - Step 5: Solve for x
x = 4,783,364,263,873,466/65,610,073.70 - Step 6: Final answer
x = 72,905,942.55
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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.