Finding the Fourth Proportional to 134,546,479.80, 201,819,719.70 and 66,522,031.80
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Solution
The fourth proportional to 134,546,479.80, 201,819,719.70 and 66,522,031.80 is: 99,783,047.70
Step by Step Solution
- Step 1: Write the proportion equation
134,546,479.80 : 201,819,719.70 = 66,522,031.80 : x - Step 2: Convert to fraction form
134,546,479.80/201,819,719.70 = 66,522,031.80/x - Step 3: Cross multiply
134,546,479.80x = 201,819,719.70 × 66,522,031.80 - Step 4: Simplify right side
134,546,479.80x = 13,425,457,811,750,486 - Step 5: Solve for x
x = 13,425,457,811,750,486/134,546,479.80 - Step 6: Final answer
x = 99,783,047.70
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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.