Finding the Fourth Proportional to 210,308,134.10, 315,180,213.68 and 163,677,923.08
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Solution
The fourth proportional to 210,308,134.10, 315,180,213.68 and 163,677,923.08 is: 245,297,420.34
Step by Step Solution
- Step 1: Write the proportion equation
210,308,134.10 : 315,180,213.68 = 163,677,923.08 : x - Step 2: Convert to fraction form
210,308,134.10/315,180,213.68 = 163,677,923.08/x - Step 3: Cross multiply
210,308,134.10x = 315,180,213.68 × 163,677,923.08 - Step 4: Simplify right side
210,308,134.10x = 51,588,042,770,674,248 - Step 5: Solve for x
x = 51,588,042,770,674,248/210,308,134.10 - Step 6: Final answer
x = 245,297,420.34
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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.