Finding the Fourth Proportional to 152,201,210.70, 227,923,902.45 and 121,968,122.70
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Solution
The fourth proportional to 152,201,210.70, 227,923,902.45 and 121,968,122.70 is: 182,649,338.81
Step by Step Solution
- Step 1: Write the proportion equation
152,201,210.70 : 227,923,902.45 = 121,968,122.70 : x - Step 2: Convert to fraction form
152,201,210.70/227,923,902.45 = 121,968,122.70/x - Step 3: Cross multiply
152,201,210.70x = 227,923,902.45 × 121,968,122.70 - Step 4: Simplify right side
152,201,210.70x = 27,799,450,500,284,428 - Step 5: Solve for x
x = 27,799,450,500,284,428/152,201,210.70 - Step 6: Final answer
x = 182,649,338.81
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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.