Finding the Fourth Proportional to 219,995,933.09, 329,788,751.63 and 74,327,622.84
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Solution
The fourth proportional to 219,995,933.09, 329,788,751.63 and 74,327,622.84 is: 111,422,123.15
Step by Step Solution
- Step 1: Write the proportion equation
219,995,933.09 : 329,788,751.63 = 74,327,622.84 : x - Step 2: Convert to fraction form
219,995,933.09/329,788,751.63 = 74,327,622.84/x - Step 3: Cross multiply
219,995,933.09x = 329,788,751.63 × 74,327,622.84 - Step 4: Simplify right side
219,995,933.09x = 24,512,413,947,657,440 - Step 5: Solve for x
x = 24,512,413,947,657,440/219,995,933.09 - Step 6: Final answer
x = 111,422,123.15
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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.