Finding the Fourth Proportional to 153,323,257.62, 229,618,246.10 and 88,430,325.30
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Solution
The fourth proportional to 153,323,257.62, 229,618,246.10 and 88,430,325.30 is: 132,434,025.42
Step by Step Solution
- Step 1: Write the proportion equation
153,323,257.62 : 229,618,246.10 = 88,430,325.30 : x - Step 2: Convert to fraction form
153,323,257.62/229,618,246.10 = 88,430,325.30/x - Step 3: Cross multiply
153,323,257.62x = 229,618,246.10 × 88,430,325.30 - Step 4: Simplify right side
153,323,257.62x = 20,305,216,197,438,456 - Step 5: Solve for x
x = 20,305,216,197,438,456/153,323,257.62 - Step 6: Final answer
x = 132,434,025.42
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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.