Finding the Fourth Proportional to 238,471,566.91, 357,707,321.21 and 76,913,502.91
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Solution
The fourth proportional to 238,471,566.91, 357,707,321.21 and 76,913,502.91 is: 115,370,244.96
Step by Step Solution
- Step 1: Write the proportion equation
238,471,566.91 : 357,707,321.21 = 76,913,502.91 : x - Step 2: Convert to fraction form
238,471,566.91/357,707,321.21 = 76,913,502.91/x - Step 3: Cross multiply
238,471,566.91x = 357,707,321.21 × 76,913,502.91 - Step 4: Simplify right side
238,471,566.91x = 27,512,523,090,813,636 - Step 5: Solve for x
x = 27,512,523,090,813,636/238,471,566.91 - Step 6: Final answer
x = 115,370,244.96
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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.