Finding the Fourth Proportional to 137,765,899.58, 190,116,951.80 and 75,886,238.14
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Solution
The fourth proportional to 137,765,899.58, 190,116,951.80 and 75,886,238.14 is: 104,723,014.35
Step by Step Solution
- Step 1: Write the proportion equation
137,765,899.58 : 190,116,951.80 = 75,886,238.14 : x - Step 2: Convert to fraction form
137,765,899.58/190,116,951.80 = 75,886,238.14/x - Step 3: Cross multiply
137,765,899.58x = 190,116,951.80 × 75,886,238.14 - Step 4: Simplify right side
137,765,899.58x = 14,427,260,277,890,978 - Step 5: Solve for x
x = 14,427,260,277,890,978/137,765,899.58 - Step 6: Final answer
x = 104,723,014.35
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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.