Finding the Fourth Proportional to 168,494,737.80, 252,742,106.70 and 141,284,958.60
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Solution
The fourth proportional to 168,494,737.80, 252,742,106.70 and 141,284,958.60 is: 211,927,437.90
Step by Step Solution
- Step 1: Write the proportion equation
168,494,737.80 : 252,742,106.70 = 141,284,958.60 : x - Step 2: Convert to fraction form
168,494,737.80/252,742,106.70 = 141,284,958.60/x - Step 3: Cross multiply
168,494,737.80x = 252,742,106.70 × 141,284,958.60 - Step 4: Simplify right side
168,494,737.80x = 35,708,658,081,586,280 - Step 5: Solve for x
x = 35,708,658,081,586,280/168,494,737.80 - Step 6: Final answer
x = 211,927,437.90
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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.