Finding the Fourth Proportional to 71,825,461.83, 99,119,440.01 and 40,463,887.09
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Solution
The fourth proportional to 71,825,461.83, 99,119,440.01 and 40,463,887.09 is: 55,840,334.71
Step by Step Solution
- Step 1: Write the proportion equation
71,825,461.83 : 99,119,440.01 = 40,463,887.09 : x - Step 2: Convert to fraction form
71,825,461.83/99,119,440.01 = 40,463,887.09/x - Step 3: Cross multiply
71,825,461.83x = 99,119,440.01 × 40,463,887.09 - Step 4: Simplify right side
71,825,461.83x = 4,010,757,828,786,349 - Step 5: Solve for x
x = 4,010,757,828,786,349/71,825,461.83 - Step 6: Final answer
x = 55,840,334.71
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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.