Finding the Fourth Proportional to 98,064,387.70, 147,096,581.55 and 64,052,163.70
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Solution
The fourth proportional to 98,064,387.70, 147,096,581.55 and 64,052,163.70 is: 96,078,245.55
Step by Step Solution
- Step 1: Write the proportion equation
98,064,387.70 : 147,096,581.55 = 64,052,163.70 : x - Step 2: Convert to fraction form
98,064,387.70/147,096,581.55 = 64,052,163.70/x - Step 3: Cross multiply
98,064,387.70x = 147,096,581.55 × 64,052,163.70 - Step 4: Simplify right side
98,064,387.70x = 9,421,854,321,151,000 - Step 5: Solve for x
x = 9,421,854,321,151,000/98,064,387.70 - Step 6: Final answer
x = 96,078,245.55
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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.