Finding the Fourth Proportional to 65,610,052.70, 98,415,079.05 and 48,603,940.70
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Solution
The fourth proportional to 65,610,052.70, 98,415,079.05 and 48,603,940.70 is: 72,905,911.05
Step by Step Solution
- Step 1: Write the proportion equation
65,610,052.70 : 98,415,079.05 = 48,603,940.70 : x - Step 2: Convert to fraction form
65,610,052.70/98,415,079.05 = 48,603,940.70/x - Step 3: Cross multiply
65,610,052.70x = 98,415,079.05 × 48,603,940.70 - Step 4: Simplify right side
65,610,052.70x = 4,783,360,666,132,012 - Step 5: Solve for x
x = 4,783,360,666,132,012/65,610,052.70 - Step 6: Final answer
x = 72,905,911.05
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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.