Finding the Fourth Proportional to 98,603,743.70, 147,622,180.35 and 60,339,991.70
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Solution
The fourth proportional to 98,603,743.70, 147,622,180.35 and 60,339,991.70 is: 90,336,541.02
Step by Step Solution
- Step 1: Write the proportion equation
98,603,743.70 : 147,622,180.35 = 60,339,991.70 : x - Step 2: Convert to fraction form
98,603,743.70/147,622,180.35 = 60,339,991.70/x - Step 3: Cross multiply
98,603,743.70x = 147,622,180.35 × 60,339,991.70 - Step 4: Simplify right side
98,603,743.70x = 8,907,521,137,054,903 - Step 5: Solve for x
x = 8,907,521,137,054,903/98,603,743.70 - Step 6: Final answer
x = 90,336,541.02
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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.