Finding the Fourth Proportional to 155,135,358.41, 214,088,238.66 and 85,523,230.40
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Solution
The fourth proportional to 155,135,358.41, 214,088,238.66 and 85,523,230.40 is: 118,022,854.03
Step by Step Solution
- Step 1: Write the proportion equation
155,135,358.41 : 214,088,238.66 = 85,523,230.40 : x - Step 2: Convert to fraction form
155,135,358.41/214,088,238.66 = 85,523,230.40/x - Step 3: Cross multiply
155,135,358.41x = 214,088,238.66 × 85,523,230.40 - Step 4: Simplify right side
155,135,358.41x = 18,309,517,760,849,368 - Step 5: Solve for x
x = 18,309,517,760,849,368/155,135,358.41 - Step 6: Final answer
x = 118,022,854.03
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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.