Finding the Fourth Proportional to 168,531,293.16, 252,574,979.64 and 71,366,772.36
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Solution
The fourth proportional to 168,531,293.16, 252,574,979.64 and 71,366,772.36 is: 106,956,166.64
Step by Step Solution
- Step 1: Write the proportion equation
168,531,293.16 : 252,574,979.64 = 71,366,772.36 : x - Step 2: Convert to fraction form
168,531,293.16/252,574,979.64 = 71,366,772.36/x - Step 3: Cross multiply
168,531,293.16x = 252,574,979.64 × 71,366,772.36 - Step 4: Simplify right side
168,531,293.16x = 18,025,461,075,799,512 - Step 5: Solve for x
x = 18,025,461,075,799,512/168,531,293.16 - Step 6: Final answer
x = 106,956,166.64
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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.