Finding the Fourth Proportional to 136,769,378.10, 188,742,052.76 and 74,046,136.08
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Solution
The fourth proportional to 136,769,378.10, 188,742,052.76 and 74,046,136.08 is: 102,183,836.15
Step by Step Solution
- Step 1: Write the proportion equation
136,769,378.10 : 188,742,052.76 = 74,046,136.08 : x - Step 2: Convert to fraction form
136,769,378.10/188,742,052.76 = 74,046,136.08/x - Step 3: Cross multiply
136,769,378.10x = 188,742,052.76 × 74,046,136.08 - Step 4: Simplify right side
136,769,378.10x = 13,975,619,722,685,498 - Step 5: Solve for x
x = 13,975,619,722,685,498/136,769,378.10 - Step 6: Final answer
x = 102,183,836.15
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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.