Finding the Fourth Proportional to 209,952,207.10, 314,928,310.65 and 118,119,202.30
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Solution
The fourth proportional to 209,952,207.10, 314,928,310.65 and 118,119,202.30 is: 177,178,803.45
Step by Step Solution
- Step 1: Write the proportion equation
209,952,207.10 : 314,928,310.65 = 118,119,202.30 : x - Step 2: Convert to fraction form
209,952,207.10/314,928,310.65 = 118,119,202.30/x - Step 3: Cross multiply
209,952,207.10x = 314,928,310.65 × 118,119,202.30 - Step 4: Simplify right side
209,952,207.10x = 37,199,080,835,664,592 - Step 5: Solve for x
x = 37,199,080,835,664,592/209,952,207.10 - Step 6: Final answer
x = 177,178,803.45
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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.