Finding the Fourth Proportional to 103,665,350.70, 155,498,026.05 and 102,153,696.30
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Solution
The fourth proportional to 103,665,350.70, 155,498,026.05 and 102,153,696.30 is: 153,230,544.45
Step by Step Solution
- Step 1: Write the proportion equation
103,665,350.70 : 155,498,026.05 = 102,153,696.30 : x - Step 2: Convert to fraction form
103,665,350.70/155,498,026.05 = 102,153,696.30/x - Step 3: Cross multiply
103,665,350.70x = 155,498,026.05 × 102,153,696.30 - Step 4: Simplify right side
103,665,350.70x = 15,884,698,128,361,190 - Step 5: Solve for x
x = 15,884,698,128,361,190/103,665,350.70 - Step 6: Final answer
x = 153,230,544.45
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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.