Finding the Fourth Proportional to 149,727,815.60, 224,591,723.40 and 91,529,121.20
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Solution
The fourth proportional to 149,727,815.60, 224,591,723.40 and 91,529,121.20 is: 137,293,681.80
Step by Step Solution
- Step 1: Write the proportion equation
149,727,815.60 : 224,591,723.40 = 91,529,121.20 : x - Step 2: Convert to fraction form
149,727,815.60/224,591,723.40 = 91,529,121.20/x - Step 3: Cross multiply
149,727,815.60x = 224,591,723.40 × 91,529,121.20 - Step 4: Simplify right side
149,727,815.60x = 20,556,683,071,595,476 - Step 5: Solve for x
x = 20,556,683,071,595,476/149,727,815.60 - Step 6: Final answer
x = 137,293,681.80
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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.