Finding the Fourth Proportional to 57,443,342.70, 86,207,004.45 and 40,437,230.70
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Solution
The fourth proportional to 57,443,342.70, 86,207,004.45 and 40,437,230.70 is: 60,685,405.18
Step by Step Solution
- Step 1: Write the proportion equation
57,443,342.70 : 86,207,004.45 = 40,437,230.70 : x - Step 2: Convert to fraction form
57,443,342.70/86,207,004.45 = 40,437,230.70/x - Step 3: Cross multiply
57,443,342.70x = 86,207,004.45 × 40,437,230.70 - Step 4: Simplify right side
57,443,342.70x = 3,485,972,526,900,577 - Step 5: Solve for x
x = 3,485,972,526,900,577/57,443,342.70 - Step 6: Final answer
x = 60,685,405.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.