Finding the Fourth Proportional to 103,896,636.29, 155,848,940.34 and 46,389,405.68
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Solution
The fourth proportional to 103,896,636.29, 155,848,940.34 and 46,389,405.68 is: 69,585,888.20
Step by Step Solution
- Step 1: Write the proportion equation
103,896,636.29 : 155,848,940.34 = 46,389,405.68 : x - Step 2: Convert to fraction form
103,896,636.29/155,848,940.34 = 46,389,405.68/x - Step 3: Cross multiply
103,896,636.29x = 155,848,940.34 × 46,389,405.68 - Step 4: Simplify right side
103,896,636.29x = 7,229,739,717,219,185 - Step 5: Solve for x
x = 7,229,739,717,219,185/103,896,636.29 - Step 6: Final answer
x = 69,585,888.20
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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.