Finding the Fourth Proportional to 127,912,793.84, 176,520,187.26 and 69,175,458.92
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Solution
The fourth proportional to 127,912,793.84, 176,520,187.26 and 69,175,458.92 is: 95,462,420.89
Step by Step Solution
- Step 1: Write the proportion equation
127,912,793.84 : 176,520,187.26 = 69,175,458.92 : x - Step 2: Convert to fraction form
127,912,793.84/176,520,187.26 = 69,175,458.92/x - Step 3: Cross multiply
127,912,793.84x = 176,520,187.26 × 69,175,458.92 - Step 4: Simplify right side
127,912,793.84x = 12,210,864,962,354,838 - Step 5: Solve for x
x = 12,210,864,962,354,838/127,912,793.84 - Step 6: Final answer
x = 95,462,420.89
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1.5x scale
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.