Finding the Fourth Proportional to 101,494,495.44, 140,063,747.40 and 55,085,305.68
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Solution
The fourth proportional to 101,494,495.44, 140,063,747.40 and 55,085,305.68 is: 76,018,451.12
Step by Step Solution
- Step 1: Write the proportion equation
101,494,495.44 : 140,063,747.40 = 55,085,305.68 : x - Step 2: Convert to fraction form
101,494,495.44/140,063,747.40 = 55,085,305.68/x - Step 3: Cross multiply
101,494,495.44x = 140,063,747.40 × 55,085,305.68 - Step 4: Simplify right side
101,494,495.44x = 7,715,454,340,215,306 - Step 5: Solve for x
x = 7,715,454,340,215,306/101,494,495.44 - Step 6: Final answer
x = 76,018,451.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.