Finding the Fourth Proportional to 135,937,861.66, 203,970,565.41 and 67,785,867.82
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Solution
The fourth proportional to 135,937,861.66, 203,970,565.41 and 67,785,867.82 is: 101,710,602.31
Step by Step Solution
- Step 1: Write the proportion equation
135,937,861.66 : 203,970,565.41 = 67,785,867.82 : x - Step 2: Convert to fraction form
135,937,861.66/203,970,565.41 = 67,785,867.82/x - Step 3: Cross multiply
135,937,861.66x = 203,970,565.41 × 67,785,867.82 - Step 4: Simplify right side
135,937,861.66x = 13,826,321,786,052,922 - Step 5: Solve for x
x = 13,826,321,786,052,922/135,937,861.66 - Step 6: Final answer
x = 101,710,602.31
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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.