Finding the Fourth Proportional to 122,027,380.53, 168,408,170.65 and 69,113,501.12
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Solution
The fourth proportional to 122,027,380.53, 168,408,170.65 and 69,113,501.12 is: 95,382,513.67
Step by Step Solution
- Step 1: Write the proportion equation
122,027,380.53 : 168,408,170.65 = 69,113,501.12 : x - Step 2: Convert to fraction form
122,027,380.53/168,408,170.65 = 69,113,501.12/x - Step 3: Cross multiply
122,027,380.53x = 168,408,170.65 × 69,113,501.12 - Step 4: Simplify right side
122,027,380.53x = 11,639,278,290,835,928 - Step 5: Solve for x
x = 11,639,278,290,835,928/122,027,380.53 - Step 6: Final answer
x = 95,382,513.67
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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.