Finding the Fourth Proportional to 270,317,389.08, 373,045,866.42 and 152,840,197.08
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Solution
The fourth proportional to 270,317,389.08, 373,045,866.42 and 152,840,197.08 is: 210,923,921.46
Step by Step Solution
- Step 1: Write the proportion equation
270,317,389.08 : 373,045,866.42 = 152,840,197.08 : x - Step 2: Convert to fraction form
270,317,389.08/373,045,866.42 = 152,840,197.08/x - Step 3: Cross multiply
270,317,389.08x = 373,045,866.42 × 152,840,197.08 - Step 4: Simplify right side
270,317,389.08x = 57,016,403,743,512,160 - Step 5: Solve for x
x = 57,016,403,743,512,160/270,317,389.08 - Step 6: Final answer
x = 210,923,921.46
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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.