Finding the Fourth Proportional to 98,493,805.62, 147,770,599.05 and 52,427,836.35
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Solution
The fourth proportional to 98,493,805.62, 147,770,599.05 and 52,427,836.35 is: 78,657,665.18
Step by Step Solution
- Step 1: Write the proportion equation
98,493,805.62 : 147,770,599.05 = 52,427,836.35 : x - Step 2: Convert to fraction form
98,493,805.62/147,770,599.05 = 52,427,836.35/x - Step 3: Cross multiply
98,493,805.62x = 147,770,599.05 × 52,427,836.35 - Step 4: Simplify right side
98,493,805.62x = 7,747,292,784,334,866 - Step 5: Solve for x
x = 7,747,292,784,334,866/98,493,805.62 - Step 6: Final answer
x = 78,657,665.18
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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.