Finding the Fourth Proportional to 134,442,389.80, 201,663,584.70 and 131,456,405.80
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Solution
The fourth proportional to 134,442,389.80, 201,663,584.70 and 131,456,405.80 is: 197,184,608.70
Step by Step Solution
- Step 1: Write the proportion equation
134,442,389.80 : 201,663,584.70 = 131,456,405.80 : x - Step 2: Convert to fraction form
134,442,389.80/201,663,584.70 = 131,456,405.80/x - Step 3: Cross multiply
134,442,389.80x = 201,663,584.70 × 131,456,405.80 - Step 4: Simplify right side
134,442,389.80x = 26,509,970,025,405,868 - Step 5: Solve for x
x = 26,509,970,025,405,868/134,442,389.80 - Step 6: Final answer
x = 197,184,608.70
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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.