Finding the Fourth Proportional to 85,306,405.63, 117,722,584.36 and 46,148,171.99
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Solution
The fourth proportional to 85,306,405.63, 117,722,584.36 and 46,148,171.99 is: 63,684,339.19
Step by Step Solution
- Step 1: Write the proportion equation
85,306,405.63 : 117,722,584.36 = 46,148,171.99 : x - Step 2: Convert to fraction form
85,306,405.63/117,722,584.36 = 46,148,171.99/x - Step 3: Cross multiply
85,306,405.63x = 117,722,584.36 × 46,148,171.99 - Step 4: Simplify right side
85,306,405.63x = 5,432,682,070,744,421 - Step 5: Solve for x
x = 5,432,682,070,744,421/85,306,405.63 - Step 6: Final answer
x = 63,684,339.19
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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.