Finding the Fourth Proportional to 69,195,210.48, 95,491,383.84 and 38,257,377.12
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Solution
The fourth proportional to 69,195,210.48, 95,491,383.84 and 38,257,377.12 is: 52,796,282.55
Step by Step Solution
- Step 1: Write the proportion equation
69,195,210.48 : 95,491,383.84 = 38,257,377.12 : x - Step 2: Convert to fraction form
69,195,210.48/95,491,383.84 = 38,257,377.12/x - Step 3: Cross multiply
69,195,210.48x = 95,491,383.84 × 38,257,377.12 - Step 4: Simplify right side
69,195,210.48x = 3,653,249,883,277,553.50 - Step 5: Solve for x
x = 3,653,249,883,277,553.50/69,195,210.48 - Step 6: Final answer
x = 52,796,282.55
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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.