Finding the Fourth Proportional to 122,590,536.99, 169,176,115.40 and 67,588,366.11
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Solution
The fourth proportional to 122,590,536.99, 169,176,115.40 and 67,588,366.11 is: 93,272,592.69
Step by Step Solution
- Step 1: Write the proportion equation
122,590,536.99 : 169,176,115.40 = 67,588,366.11 : x - Step 2: Convert to fraction form
122,590,536.99/169,176,115.40 = 67,588,366.11/x - Step 3: Cross multiply
122,590,536.99x = 169,176,115.40 × 67,588,366.11 - Step 4: Simplify right side
122,590,536.99x = 11,434,337,224,384,868 - Step 5: Solve for x
x = 11,434,337,224,384,868/122,590,536.99 - Step 6: Final answer
x = 93,272,592.69
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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.