Finding the Fourth Proportional to 155,389,609.56, 214,386,734.61 and 110,742,614.49
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Solution
The fourth proportional to 155,389,609.56, 214,386,734.61 and 110,742,614.49 is: 152,788,513.79
Step by Step Solution
- Step 1: Write the proportion equation
155,389,609.56 : 214,386,734.61 = 110,742,614.49 : x - Step 2: Convert to fraction form
155,389,609.56/214,386,734.61 = 110,742,614.49/x - Step 3: Cross multiply
155,389,609.56x = 214,386,734.61 × 110,742,614.49 - Step 4: Simplify right side
155,389,609.56x = 23,741,747,502,685,172 - Step 5: Solve for x
x = 23,741,747,502,685,172/155,389,609.56 - Step 6: Final answer
x = 152,788,513.79
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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.