Finding the Fourth Proportional to 66,440,918.70, 99,661,378.05 and 37,264,807.80
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Solution
The fourth proportional to 66,440,918.70, 99,661,378.05 and 37,264,807.80 is: 55,897,211.70
Step by Step Solution
- Step 1: Write the proportion equation
66,440,918.70 : 99,661,378.05 = 37,264,807.80 : x - Step 2: Convert to fraction form
66,440,918.70/99,661,378.05 = 37,264,807.80/x - Step 3: Cross multiply
66,440,918.70x = 99,661,378.05 × 37,264,807.80 - Step 4: Simplify right side
66,440,918.70x = 3,713,862,098,116,388.50 - Step 5: Solve for x
x = 3,713,862,098,116,388.50/66,440,918.70 - Step 6: Final answer
x = 55,897,211.70
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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.