Finding the Fourth Proportional to 98,603,767.70, 147,622,216.35 and 60,340,015.70
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Solution
The fourth proportional to 98,603,767.70, 147,622,216.35 and 60,340,015.70 is: 90,336,576.99
Step by Step Solution
- Step 1: Write the proportion equation
98,603,767.70 : 147,622,216.35 = 60,340,015.70 : x - Step 2: Convert to fraction form
98,603,767.70/147,622,216.35 = 60,340,015.70/x - Step 3: Cross multiply
98,603,767.70x = 147,622,216.35 × 60,340,015.70 - Step 4: Simplify right side
98,603,767.70x = 8,907,526,852,227,797 - Step 5: Solve for x
x = 8,907,526,852,227,797/98,603,767.70 - Step 6: Final answer
x = 90,336,576.99
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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.