Finding the Fourth Proportional to 66,434,735.80, 99,652,103.70 and 30,602,927.80
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Solution
The fourth proportional to 66,434,735.80, 99,652,103.70 and 30,602,927.80 is: 45,904,391.70
Step by Step Solution
- Step 1: Write the proportion equation
66,434,735.80 : 99,652,103.70 = 30,602,927.80 : x - Step 2: Convert to fraction form
66,434,735.80/99,652,103.70 = 30,602,927.80/x - Step 3: Cross multiply
66,434,735.80x = 99,652,103.70 × 30,602,927.80 - Step 4: Simplify right side
66,434,735.80x = 3,049,646,134,649,213 - Step 5: Solve for x
x = 3,049,646,134,649,213/66,434,735.80 - Step 6: Final answer
x = 45,904,391.70
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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.