Finding the Fourth Proportional to 57,443,345.70, 86,207,008.95 and 40,437,233.70
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Solution
The fourth proportional to 57,443,345.70, 86,207,008.95 and 40,437,233.70 is: 60,685,409.69
Step by Step Solution
- Step 1: Write the proportion equation
57,443,345.70 : 86,207,008.95 = 40,437,233.70 : x - Step 2: Convert to fraction form
57,443,345.70/86,207,008.95 = 40,437,233.70/x - Step 3: Cross multiply
57,443,345.70x = 86,207,008.95 × 40,437,233.70 - Step 4: Simplify right side
57,443,345.70x = 3,485,972,967,489,142 - Step 5: Solve for x
x = 3,485,972,967,489,142/57,443,345.70 - Step 6: Final answer
x = 60,685,409.69
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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.