Finding the Fourth Proportional to 86,396,497.96, 119,227,178.46 and 47,238,301.84
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Solution
The fourth proportional to 86,396,497.96, 119,227,178.46 and 47,238,301.84 is: 65,188,862.70
Step by Step Solution
- Step 1: Write the proportion equation
86,396,497.96 : 119,227,178.46 = 47,238,301.84 : x - Step 2: Convert to fraction form
86,396,497.96/119,227,178.46 = 47,238,301.84/x - Step 3: Cross multiply
86,396,497.96x = 119,227,178.46 × 47,238,301.84 - Step 4: Simplify right side
86,396,497.96x = 5,632,089,443,625,026 - Step 5: Solve for x
x = 5,632,089,443,625,026/86,396,497.96 - Step 6: Final answer
x = 65,188,862.70
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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.