Finding the Fourth Proportional to 66,033,130.73, 91,125,897.55 and 36,664,520.09
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Solution
The fourth proportional to 66,033,130.73, 91,125,897.55 and 36,664,520.09 is: 50,597,136.08
Step by Step Solution
- Step 1: Write the proportion equation
66,033,130.73 : 91,125,897.55 = 36,664,520.09 : x - Step 2: Convert to fraction form
66,033,130.73/91,125,897.55 = 36,664,520.09/x - Step 3: Cross multiply
66,033,130.73x = 91,125,897.55 × 36,664,520.09 - Step 4: Simplify right side
66,033,130.73x = 3,341,087,300,893,966 - Step 5: Solve for x
x = 3,341,087,300,893,966/66,033,130.73 - Step 6: Final answer
x = 50,597,136.08
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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.