Finding the Fourth Proportional to 99,652,080.70, 149,478,121.05 and 53,735,578.30
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Solution
The fourth proportional to 99,652,080.70, 149,478,121.05 and 53,735,578.30 is: 80,603,367.45
Step by Step Solution
- Step 1: Write the proportion equation
99,652,080.70 : 149,478,121.05 = 53,735,578.30 : x - Step 2: Convert to fraction form
99,652,080.70/149,478,121.05 = 53,735,578.30/x - Step 3: Cross multiply
99,652,080.70x = 149,478,121.05 × 53,735,578.30 - Step 4: Simplify right side
99,652,080.70x = 8,032,293,277,819,153 - Step 5: Solve for x
x = 8,032,293,277,819,153/99,652,080.70 - Step 6: Final answer
x = 80,603,367.45
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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.