Finding the Fourth Proportional to 103,101,305.18, 142,284,908.70 and 63,955,694.63
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Solution
The fourth proportional to 103,101,305.18, 142,284,908.70 and 63,955,694.63 is: 88,262,026.90
Step by Step Solution
- Step 1: Write the proportion equation
103,101,305.18 : 142,284,908.70 = 63,955,694.63 : x - Step 2: Convert to fraction form
103,101,305.18/142,284,908.70 = 63,955,694.63/x - Step 3: Cross multiply
103,101,305.18x = 142,284,908.70 × 63,955,694.63 - Step 4: Simplify right side
103,101,305.18x = 9,099,930,170,563,204 - Step 5: Solve for x
x = 9,099,930,170,563,204/103,101,305.18 - Step 6: Final answer
x = 88,262,026.90
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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.