Finding the Fourth Proportional to 168,930,560.16, 253,491,696 and 91,206,427.68
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Solution
The fourth proportional to 168,930,560.16, 253,491,696 and 91,206,427.68 is: 136,861,394.51
Step by Step Solution
- Step 1: Write the proportion equation
168,930,560.16 : 253,491,696 = 91,206,427.68 : x - Step 2: Convert to fraction form
168,930,560.16/253,491,696 = 91,206,427.68/x - Step 3: Cross multiply
168,930,560.16x = 253,491,696 × 91,206,427.68 - Step 4: Simplify right side
168,930,560.16x = 23,120,072,038,704,548 - Step 5: Solve for x
x = 23,120,072,038,704,548/168,930,560.16 - Step 6: Final answer
x = 136,861,394.51
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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.