Finding the Fourth Proportional to 204,996,905.40, 307,495,358.10 and 189,213,107.70
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Solution
The fourth proportional to 204,996,905.40, 307,495,358.10 and 189,213,107.70 is: 283,819,661.55
Step by Step Solution
- Step 1: Write the proportion equation
204,996,905.40 : 307,495,358.10 = 189,213,107.70 : x - Step 2: Convert to fraction form
204,996,905.40/307,495,358.10 = 189,213,107.70/x - Step 3: Cross multiply
204,996,905.40x = 307,495,358.10 × 189,213,107.70 - Step 4: Simplify right side
204,996,905.40x = 58,182,152,309,425,368 - Step 5: Solve for x
x = 58,182,152,309,425,368/204,996,905.40 - Step 6: Final answer
x = 283,819,661.55
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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.