Finding the Fourth Proportional to 66,440,316.30, 99,660,474.45 and 58,882,044.30
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Solution
The fourth proportional to 66,440,316.30, 99,660,474.45 and 58,882,044.30 is: 88,323,066.45
Step by Step Solution
- Step 1: Write the proportion equation
66,440,316.30 : 99,660,474.45 = 58,882,044.30 : x - Step 2: Convert to fraction form
66,440,316.30/99,660,474.45 = 58,882,044.30/x - Step 3: Cross multiply
66,440,316.30x = 99,660,474.45 × 58,882,044.30 - Step 4: Simplify right side
66,440,316.30x = 5,868,212,471,523,918 - Step 5: Solve for x
x = 5,868,212,471,523,918/66,440,316.30 - Step 6: Final answer
x = 88,323,066.45
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1.5x scale
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.