Finding the Fourth Proportional to 100,106,327.70, 140,350,412.70 and 100,106,327.70
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Solution
The fourth proportional to 100,106,327.70, 140,350,412.70 and 100,106,327.70 is: 140,350,412.70
Step by Step Solution
- Step 1: Write the proportion equation
100,106,327.70 : 140,350,412.70 = 100,106,327.70 : x - Step 2: Convert to fraction form
100,106,327.70/140,350,412.70 = 100,106,327.70/x - Step 3: Cross multiply
100,106,327.70x = 140,350,412.70 × 100,106,327.70 - Step 4: Simplify right side
100,106,327.70x = 14,049,964,406,576,442 - Step 5: Solve for x
x = 14,049,964,406,576,442/100,106,327.70 - Step 6: Final answer
x = 140,350,412.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.