Finding the Fourth Proportional to 161,352,021.70, 242,028,032.55 and 40,183,473.70
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Solution
The fourth proportional to 161,352,021.70, 242,028,032.55 and 40,183,473.70 is: 60,275,210.55
Step by Step Solution
- Step 1: Write the proportion equation
161,352,021.70 : 242,028,032.55 = 40,183,473.70 : x - Step 2: Convert to fraction form
161,352,021.70/242,028,032.55 = 40,183,473.70/x - Step 3: Cross multiply
161,352,021.70x = 242,028,032.55 × 40,183,473.70 - Step 4: Simplify right side
161,352,021.70x = 9,725,527,080,635,670 - Step 5: Solve for x
x = 9,725,527,080,635,670/161,352,021.70 - Step 6: Final answer
x = 60,275,210.55
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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.